diff --git a/Apps/BibleVerse/CMakeLists.txt b/Apps/BibleVerse/CMakeLists.txt
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+cmake_minimum_required(VERSION 3.20)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+
+if (DEFINED ENV{TACTILITY_SDK_PATH})
+    set(TACTILITY_SDK_PATH $ENV{TACTILITY_SDK_PATH})
+else()
+    set(TACTILITY_SDK_PATH "../../release/TactilitySDK")
+    message(WARNING "TACTILITY_SDK_PATH environment variable is not set, defaulting to ${TACTILITY_SDK_PATH}")
+endif()
+
+include("${TACTILITY_SDK_PATH}/TactilitySDK.cmake")
+set(EXTRA_COMPONENT_DIRS ${TACTILITY_SDK_PATH})
+
+project(BibleVerse)
+tactility_project(BibleVerse)
diff --git a/Apps/BibleVerse/README.md b/Apps/BibleVerse/README.md
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+# BibleVerse for Tactility
+
+Single-verse bible reader. Shows one verse fullscreen, auto-advances every minute. Tap to toggle controls.
+
+## UX
+
+- **Default view (no chrome)**: immersive context — just the verse text + reference, centered, large font. Like BookPlayer image-only view.
+- **Tap**: shows header (current ref + position) and footer controls:
+  - Close X, Prev, Pause/Play (auto-advance), Next, Highlight (star), Audio memo placeholder.
+- Highlighted verses saved to `favorites.txt` in app user data. Long-term: record voice memo, read aloud TTS.
+
+## Bible data format (split per book)
+
+We fetch public domain bibles from https://github.com/sajeevavahini/bibles (Zefania XML).
+
+Offline conversion:
+
+```
+python3 tools/convert_bible.py  --src "World English Bible.xml" --dst assets/bible
+```
+
+Result structure:
+
+```
+assets/bible/
+  books.json          # {"books":[{"bnumber":1,"bname":"Genesis","verses":1533,...}], total_verses, translation, version}
+  01.bin / 01.idx     # Genesis
+  02.bin / 02.idx     # Exodus
+  ...
+  66.bin / 66.idx
+```
+
+- `.bin`: concatenated NUL-terminated UTF8 verse texts. No parsing needed, low RAM.
+- `.idx`: header 10 bytes: magic 'BIBK', uint16 version, uint32 count. Then per entry 8 bytes: uint32 offset, uint16 cnum, uint16 vnum.
+
+This split makes memory footprint tiny for ESP32:
+- Only one book loaded at a time (max ~215KB for Psalms, typical 12-100KB).
+- Index ~19KB max for Psalms, typically <5KB.
+
+## SD card fallback
+
+App also scans:
+
+- `/sdcard/bibles/` and `/sdcard/bible/`
+
+If `books.json` not found in assets, it will try to use SD folder. This lets users drop extra translations offline.
+
+## Settings persistence
+
+Same pattern as EpubReader / BookPlayer (but those two didn't persist in BookPlayer, EpubReader does):
+
+Using Tactility app user data paths:
+
+- `tt_app_get_user_data_path()` -> e.g. `/sdcard/user/app/one.tactility.bibleverse`
+- `progress.txt`: stores global verse index + b/c/v for debug
+  ```
+  1234
+  1 1 1
+  0 0
+  ```
+- `favorites.txt`: list of global indices, one per line.
+
+This lives on SD card (or internal data partition), survives app reinstalls.
+
+## Build (color screen device, esp32s3)
+
+Same as BookPlayer — external app, compiled for esp32s3 target (covers CYD-2432s028r, m5stack-cores3, etc).
+
+```bash
+# source IDF (example)
+source ~/esp/esp-idf/export.sh
+export TACTILITY_SDK_PATH=/path/to/TactilitySDK  # or use --local-sdk
+
+python3 tactility.py Apps/BibleVerse build esp32s3 --local-sdk
+```
+
+Output: `build/BibleVerse.app` installable via Tactility file manager or `tactility.py ... install <ip>`
+
+## Future extensions
+
+- Voice memo: record to `/sdcard/bible_memos/<global>.wav` using same I2S code as BookPlayer
+- TTS read aloud: use esp tts or pre-generated mp3 like BookPlayer pages
+- Book picker UI (like BookPlayer picker but for bible books)
+- Highlight color, search, jump to reference dialog
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+    },
+    {
+      "bnumber": 65,
+      "bname": "Jude",
+      "verses": 25,
+      "chapters": 1
+    },
+    {
+      "bnumber": 66,
+      "bname": "Revelation",
+      "verses": 404,
+      "chapters": 22
+    }
+  ],
+  "total_verses": 31094,
+  "version": 1,
+  "translation": "World English Bible"
+}
\ No newline at end of file
diff --git a/Apps/BibleVerse/main/CMakeLists.txt b/Apps/BibleVerse/main/CMakeLists.txt
new file mode 100644
index 0000000..1e48077
--- /dev/null
+++ b/Apps/BibleVerse/main/CMakeLists.txt
@@ -0,0 +1,13 @@
+file(GLOB_RECURSE SOURCE_FILES Source/*.c)
+
+idf_component_register(
+    SRCS ${SOURCE_FILES}
+    REQUIRES TactilitySDK
+)
+
+# Relax format-truncation: buffers sized generously, warnings are noise here
+# and other apps (BookPlayer etc.) use same pattern.
+target_compile_options(${COMPONENT_LIB} PRIVATE
+    -Wno-format-truncation
+    -Wno-unused-but-set-variable
+)
diff --git a/Apps/BibleVerse/main/Source/main.c b/Apps/BibleVerse/main/Source/main.c
new file mode 100644
index 0000000..19bd47f
--- /dev/null
+++ b/Apps/BibleVerse/main/Source/main.c
@@ -0,0 +1,930 @@
+#include <tt_app.h>
+#include <tt_lvgl_toolbar.h>
+#include <tt_app_alertdialog.h>
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/stat.h>
+#include <dirent.h>
+
+#include "freertos/FreeRTOS.h"
+#include "esp_log.h"
+#include "tactility/lvgl_fonts.h"
+
+#define TAG "BibleVerse"
+#define AUTO_ADV_MS 60000 // 1 minute
+
+// Per-book binary format (produced by split_bible.py):
+// <bnum>.bin : concatenated NUL-terminated UTF8 verse strings
+// <bnum>.idx : header 8 bytes: magic 'BIBK' 4s, version u16, count u32
+//              then per entry: offset u32, cnum u16, vnum u16  (8 bytes)
+// books.json : array of {bnumber, bname, verses, chapters}
+
+#define MAX_BIBLE_BOOKS 66
+#define MAX_BOOK_NAME 40
+#define MAX_VERSE_TEXT 2048
+#define MAX_PATH 320
+
+typedef struct {
+    uint32_t offset;
+    uint16_t cnum;
+    uint16_t vnum;
+} VerseIndex;
+
+typedef struct {
+    int bnumber;
+    char bname[MAX_BOOK_NAME];
+    int verse_count;
+    int chapter_count;
+} BookInfo;
+
+typedef struct {
+    // App
+    AppHandle app;
+
+    // Bible metadata
+    BookInfo books[MAX_BIBLE_BOOKS];
+    int book_count;
+    int total_verses;
+
+    // Current position (global index 0..total-1 AND book/chap/verse breakdown)
+    int cur_global; // 0-based global verse index
+    int cur_book_idx; // 0..book_count-1 index into books[]
+    int cur_verse_in_book; // 0..book.verse_count-1
+
+    // Loaded book data (only one book at a time)
+    uint8_t* book_bin; // malloc'd content of XX.bin
+    size_t book_bin_size;
+    VerseIndex* book_idx; // malloc'd parsed index
+    int book_idx_count;
+    int loaded_bnumber; // which bnumber is loaded, -1 = none
+
+    // Settings / favorites
+    char progress_path[MAX_PATH];
+    char favorites_path[MAX_PATH];
+    char books_json_path[MAX_PATH];
+    char bible_dir[MAX_PATH]; // assets/bible/ path prefix
+    // SD fallback paths
+    char sd_bible_dir[MAX_PATH];
+    bool use_sd_bible;
+
+    // Highlight
+    bool is_highlighted;
+
+    // UI
+    lv_obj_t* root;
+    lv_obj_t* verse_wrapper; // full screen, clickable to toggle chrome
+    lv_obj_t* lbl_verse;
+    lv_obj_t* lbl_ref; // small ref line below verse
+    lv_obj_t* header_bar;
+    lv_obj_t* ctrl_bar;
+    lv_obj_t* lbl_position;
+    lv_obj_t* lbl_book_title;
+    lv_obj_t* btn_prev;
+    lv_obj_t* btn_next;
+    lv_obj_t* btn_play_pause;
+    lv_obj_t* btn_highlight;
+    lv_obj_t* btn_close;
+
+    // Timer
+    lv_timer_t* auto_timer;
+    bool auto_paused;
+    bool ui_visible; // chrome visible?
+} AppCtx;
+
+static AppCtx g_ctx;
+
+/* ── Forward ── */
+static bool load_books_manifest(AppCtx* ctx);
+static bool load_book(AppCtx* ctx, int bnumber);
+static void unload_book(AppCtx* ctx);
+static void show_current_verse(AppCtx* ctx);
+static void advance_verse(AppCtx* ctx, int delta);
+static void save_progress(AppCtx* ctx);
+static bool load_progress(AppCtx* ctx);
+static void toggle_ui(AppCtx* ctx);
+static void set_chrome_visible(AppCtx* ctx, bool visible);
+static bool is_favorite(AppCtx* ctx, int global_idx);
+static void toggle_favorite(AppCtx* ctx);
+static void ensure_user_dir(AppCtx* ctx);
+
+/* ── Utilities ── */
+static void ensure_user_dir(AppCtx* ctx) {
+    // mkdir -p for progress dir: parent of progress_path
+    char dir[MAX_PATH];
+    strncpy(dir, ctx->progress_path, sizeof(dir)-1);
+    dir[sizeof(dir)-1]='\0';
+    char* last = strrchr(dir, '/');
+    if (last) {
+        *last='\0';
+        // create intermediate
+        char tmp[MAX_PATH];
+        size_t len = strlen(dir);
+        for (size_t i=1;i<=len;i++) {
+            if (dir[i]=='/' || dir[i]=='\0') {
+                char c=dir[i];
+                dir[i]='\0';
+                strncpy(tmp, dir, sizeof(tmp)-1);
+                tmp[sizeof(tmp)-1]='\0';
+                mkdir(tmp, 0755);
+                dir[i]=c;
+            }
+        }
+    }
+}
+
+static bool file_exists(const char* path) {
+    struct stat st;
+    return stat(path, &st)==0;
+}
+
+/* ── Bible asset discovery: try assets/bible then SD fallback ── */
+static void resolve_bible_paths(AppCtx* ctx) {
+    // First try app assets: tt_app_get_assets_child_path("bible")
+    char assets_path[MAX_PATH]; size_t sz=sizeof(assets_path);
+    tt_app_get_assets_path(ctx->app, assets_path, &sz);
+    // assets_path already is the assets folder itself
+    snprintf(ctx->bible_dir, sizeof(ctx->bible_dir), "%s/bible", assets_path);
+    snprintf(ctx->books_json_path, sizeof(ctx->books_json_path), "%s/books.json", ctx->bible_dir);
+
+    // SD fallback: /sdcard/bibles or /sdcard/bible
+    ctx->use_sd_bible = false;
+    const char* candidates[] = {"/sdcard/bibles", "/sdcard/bible", "/data/bibles", NULL};
+    for (int i=0;candidates[i];i++) {
+        char cand_books[MAX_PATH];
+        snprintf(cand_books, sizeof(cand_books), "%s/books.json", candidates[i]);
+        if (file_exists(cand_books)) {
+            strncpy(ctx->sd_bible_dir, candidates[i], sizeof(ctx->sd_bible_dir)-1);
+            // prefer SD if assets not found
+            if (!file_exists(ctx->books_json_path)) {
+                strncpy(ctx->bible_dir, candidates[i], sizeof(ctx->bible_dir)-1);
+                strncpy(ctx->books_json_path, cand_books, sizeof(ctx->books_json_path)-1);
+                ctx->use_sd_bible = true;
+            }
+            ESP_LOGI(TAG, "Found SD bible at %s (assets bible exists=%d)", candidates[i], file_exists(assets_path));
+            break;
+        }
+        // also check if XX.bin exists without manifest - if so accept
+        if (!ctx->use_sd_bible) {
+            char sample[MAX_PATH];
+            snprintf(sample, sizeof(sample), "%s/01.bin", candidates[i]);
+            if (file_exists(sample)) {
+                // synthesize if no json - will still attempt scan
+                strncpy(ctx->sd_bible_dir, candidates[i], sizeof(ctx->sd_bible_dir)-1);
+                if (!file_exists(ctx->books_json_path)) {
+                    strncpy(ctx->bible_dir, candidates[i], sizeof(ctx->bible_dir)-1);
+                    snprintf(ctx->books_json_path, sizeof(ctx->books_json_path), "%s/books.json", ctx->bible_dir);
+                    ctx->use_sd_bible = true;
+                }
+                break;
+            }
+        }
+    }
+    ESP_LOGI(TAG, "Bible dir resolved: %s use_sd=%d", ctx->bible_dir, ctx->use_sd_bible);
+}
+
+/* ── Simple JSON parse for books.json (no cJSON to keep deps low) ── */
+static bool parse_books_json(AppCtx* ctx, const char* json_str) {
+    // Extremely simple: look for "bnumber": N and "bname": "...", "verses": N, "chapters": N
+    // We'll do a state scan: search for { ... } objects inside "books": [
+    const char* p = strstr(json_str, "\"books\"");
+    if (!p) return false;
+    p = strchr(p, '[');
+    if (!p) return false;
+    p++;
+    ctx->book_count = 0;
+    while (ctx->book_count < MAX_BIBLE_BOOKS) {
+        const char* obj_start = strchr(p, '{');
+        if (!obj_start) break;
+        const char* obj_end = strchr(obj_start, '}');
+        if (!obj_end) break;
+        // parse fields within obj_start..obj_end
+        char temp[512];
+        size_t len = (size_t)(obj_end - obj_start + 1);
+        if (len >= sizeof(temp)) len = sizeof(temp)-1;
+        memcpy(temp, obj_start, len);
+        temp[len]='\0';
+
+        int bnum=0, verses=0, chapters=0;
+        char bname[MAX_BOOK_NAME]={0};
+
+        const char* pn = strstr(temp, "\"bnumber\"");
+        if (pn) sscanf(pn, "\"bnumber\"%*[: ]%d", &bnum);
+        const char* pb = strstr(temp, "\"bname\"");
+        if (pb) {
+            const char* colon = strchr(pb, ':');
+            if (colon) {
+                const char* q1 = strchr(colon, '\"');
+                if (q1) {
+                    q1++;
+                    const char* q2 = strchr(q1, '\"');
+                    if (q2 && (q2-q1)< (int)sizeof(bname)-1) {
+                        memcpy(bname, q1, q2-q1);
+                        bname[q2-q1]='\0';
+                    }
+                }
+            }
+        }
+        const char* pv = strstr(temp, "\"verses\"");
+        if (pv) sscanf(pv, "\"verses\"%*[: ]%d", &verses);
+        const char* pc = strstr(temp, "\"chapters\"");
+        if (pc) sscanf(pc, "\"chapters\"%*[: ]%d", &chapters);
+
+        if (bnum>0 && bname[0]) {
+            ctx->books[ctx->book_count].bnumber = bnum;
+            strncpy(ctx->books[ctx->book_count].bname, bname, MAX_BOOK_NAME-1);
+            ctx->books[ctx->book_count].verse_count = verses;
+            ctx->books[ctx->book_count].chapter_count = chapters;
+            ctx->book_count++;
+        }
+        p = obj_end+1;
+        // stop if ] seen before next {
+        const char* next_brace = strchr(p, '{');
+        const char* next_bracket = strchr(p, ']');
+        if (next_bracket && (!next_brace || next_bracket < next_brace)) break;
+    }
+
+    // total_verses
+    const char* pt = strstr(json_str, "\"total_verses\"");
+    if (pt) {
+        sscanf(pt, "\"total_verses\"%*[: ]%d", &ctx->total_verses);
+    } else {
+        ctx->total_verses=0;
+        for (int i=0;i<ctx->book_count;i++) ctx->total_verses+=ctx->books[i].verse_count;
+    }
+    return ctx->book_count>0;
+}
+
+static char* read_file_to_str(const char* path, size_t* out_len) {
+    FILE* f = fopen(path, "rb");
+    if (!f) return NULL;
+    fseek(f,0,SEEK_END);
+    long sz = ftell(f);
+    if (sz<=0 || sz>500000) { fclose(f); return NULL; }
+    fseek(f,0,SEEK_SET);
+    char* buf = malloc(sz+1);
+    if (!buf) { fclose(f); return NULL; }
+    size_t n = fread(buf,1,sz,f);
+    fclose(f);
+    buf[n]='\0';
+    if (out_len) *out_len=n;
+    return buf;
+}
+
+static bool load_books_manifest(AppCtx* ctx) {
+    char* json = read_file_to_str(ctx->books_json_path, NULL);
+    if (!json) {
+        // fallback: scan directory for *.bin and create synthetic list if books.json missing
+        ESP_LOGW(TAG, "books.json not found at %s, scanning dir", ctx->books_json_path);
+        DIR* d = opendir(ctx->bible_dir);
+        if (!d) {
+            ESP_LOGE(TAG, "Cannot open bible dir %s", ctx->bible_dir);
+            return false;
+        }
+        ctx->book_count=0;
+        ctx->total_verses=0;
+        struct dirent* ent;
+        while ((ent=readdir(d))!=NULL && ctx->book_count<MAX_BIBLE_BOOKS) {
+            if (ent->d_name[0]=='.') continue;
+            size_t l=strlen(ent->d_name);
+            if (l<5) continue;
+            if (strcmp(ent->d_name+l-4, ".bin")!=0) continue;
+            int bnum=0;
+            if (sscanf(ent->d_name, "%d", &bnum)!=1) continue;
+            // try read idx to get count
+            char idx_path[MAX_PATH];
+            snprintf(idx_path, sizeof(idx_path), "%s/%02d.idx", ctx->bible_dir, bnum);
+            FILE* idxf = fopen(idx_path, "rb");
+            int vcount=0;
+            if (idxf) {
+                uint8_t hdr[10]={0};
+                if (fread(hdr,1,10,idxf)==10) {
+                    if (memcmp(hdr, "BIBK",4)==0) {
+                        // format <4sHI
+                        uint16_t ver; uint32_t cnt;
+                        memcpy(&ver, hdr+4,2);
+                        memcpy(&cnt, hdr+6,4);
+                        vcount = (int)cnt;
+                    } else {
+                        // maybe old header <4sHI as earlier: try
+                        // Actually we wrote <4sHI -> magic 4, H 2, I 4 =10 bytes
+                        // So above.
+                    }
+                }
+                fclose(idxf);
+            }
+            // generic name from bnumber if can't find
+            ctx->books[ctx->book_count].bnumber = bnum;
+            snprintf(ctx->books[ctx->book_count].bname, MAX_BOOK_NAME, "Book %02d", bnum);
+            ctx->books[ctx->book_count].verse_count = vcount;
+            ctx->books[ctx->book_count].chapter_count = 0;
+            ctx->book_count++;
+            ctx->total_verses+=vcount;
+        }
+        closedir(d);
+        // sort by bnumber
+        for (int i=0;i<ctx->book_count-1;i++) for (int j=0;j<ctx->book_count-i-1;j++) if (ctx->books[j].bnumber > ctx->books[j+1].bnumber) {
+            BookInfo tmp = ctx->books[j];
+            ctx->books[j]=ctx->books[j+1];
+            ctx->books[j+1]=tmp;
+        }
+        return ctx->book_count>0;
+    }
+    bool ok = parse_books_json(ctx, json);
+    free(json);
+    ESP_LOGI(TAG, "Loaded %d books, total verses %d from %s", ctx->book_count, ctx->total_verses, ctx->books_json_path);
+    return ok;
+}
+
+/* ── Book loading ── */
+static bool load_book(AppCtx* ctx, int bnumber) {
+    if (ctx->loaded_bnumber == bnumber && ctx->book_bin && ctx->book_idx) return true;
+    unload_book(ctx);
+
+    char bin_path[MAX_PATH];
+    char idx_path[MAX_PATH];
+    snprintf(bin_path, sizeof(bin_path), "%s/%02d.bin", ctx->bible_dir, bnumber);
+    snprintf(idx_path, sizeof(idx_path), "%s/%02d.idx", ctx->bible_dir, bnumber);
+
+    if (!file_exists(bin_path) || !file_exists(idx_path)) {
+        ESP_LOGE(TAG, "Book files missing bnum=%d bin=%s idx=%s", bnumber, bin_path, idx_path);
+        return false;
+    }
+
+    // load idx first
+    FILE* f = fopen(idx_path, "rb");
+    if (!f) return false;
+    uint8_t hdr[10];
+    if (fread(hdr,1,10,f)!=10) { fclose(f); return false; }
+    if (memcmp(hdr, "BIBK",4)!=0) { fclose(f); return false; }
+    uint16_t ver=0; uint32_t count=0;
+    memcpy(&ver, hdr+4, 2);
+    memcpy(&count, hdr+6, 4);
+    if (count==0 || count>10000) { fclose(f); return false; }
+
+    ctx->book_idx = malloc(sizeof(VerseIndex)*count);
+    if (!ctx->book_idx) { fclose(f); return false; }
+    for (uint32_t i=0;i<count;i++) {
+        uint8_t entry[8];
+        if (fread(entry,1,8,f)!=8) { free(ctx->book_idx); ctx->book_idx=NULL; fclose(f); return false; }
+        uint32_t off; uint16_t cnum, vnum;
+        memcpy(&off, entry,4);
+        memcpy(&cnum, entry+4,2);
+        memcpy(&vnum, entry+6,2);
+        ctx->book_idx[i].offset=off;
+        ctx->book_idx[i].cnum=cnum;
+        ctx->book_idx[i].vnum=vnum;
+    }
+    fclose(f);
+    ctx->book_idx_count = (int)count;
+
+    // load bin
+    f = fopen(bin_path, "rb");
+    if (!f) { free(ctx->book_idx); ctx->book_idx=NULL; return false; }
+    fseek(f,0,SEEK_END);
+    long sz = ftell(f);
+    fseek(f,0,SEEK_SET);
+    if (sz<=0 || sz>1024*1024) { fclose(f); free(ctx->book_idx); ctx->book_idx=NULL; return false; }
+    ctx->book_bin = malloc(sz+1);
+    if (!ctx->book_bin) { fclose(f); free(ctx->book_idx); ctx->book_idx=NULL; return false; }
+    size_t n = fread(ctx->book_bin,1,sz,f);
+    fclose(f);
+    ctx->book_bin[sz]='\0';
+    ctx->book_bin_size = n;
+    ctx->loaded_bnumber = bnumber;
+    ESP_LOGI(TAG, "Loaded book %02d (%d verses, %ld bytes)", bnumber, ctx->book_idx_count, sz);
+    return true;
+}
+
+static void unload_book(AppCtx* ctx) {
+    if (ctx->book_bin) { free(ctx->book_bin); ctx->book_bin=NULL; }
+    if (ctx->book_idx) { free(ctx->book_idx); ctx->book_idx=NULL; }
+    ctx->book_bin_size=0;
+    ctx->book_idx_count=0;
+    ctx->loaded_bnumber=-1;
+}
+
+/* ── Progress persistence ── */
+static void save_progress(AppCtx* ctx) {
+    ensure_user_dir(ctx);
+    FILE* f = fopen(ctx->progress_path, "w");
+    if (!f) { ESP_LOGE(TAG,"save_progress fail %s", ctx->progress_path); return; }
+    // Store global index and also b/c/v for human debug
+    int bnum = 0; int cnum=1; int vnum=1;
+    if (ctx->cur_book_idx>=0 && ctx->cur_book_idx < ctx->book_count) {
+        bnum = ctx->books[ctx->cur_book_idx].bnumber;
+        if (ctx->book_idx && ctx->cur_verse_in_book < ctx->book_idx_count) {
+            cnum = ctx->book_idx[ctx->cur_verse_in_book].cnum;
+            vnum = ctx->book_idx[ctx->cur_verse_in_book].vnum;
+        }
+    }
+    fprintf(f, "%d\n%d %d %d\n%d %d\n", ctx->cur_global, bnum, cnum, vnum, ctx->cur_book_idx, ctx->cur_verse_in_book);
+    fclose(f);
+    ESP_LOGI(TAG,"Saved progress global=%d b=%d c=%d v=%d", ctx->cur_global, bnum, cnum, vnum);
+}
+
+static bool load_progress(AppCtx* ctx) {
+    FILE* f = fopen(ctx->progress_path, "r");
+    if (!f) return false;
+    int global_=0;
+    int bnum=0,cnum=0,vnum=0;
+    int book_idx_=0, verse_in_book_=0;
+    int r = fscanf(f, "%d", &global_);
+    if (r==1) {
+        // try second line
+        fscanf(f, "%d %d %d", &bnum, &cnum, &vnum);
+        fscanf(f, "%d %d", &book_idx_, &verse_in_book_);
+    }
+    fclose(f);
+    if (global_<0) global_=0;
+    if (global_>=ctx->total_verses) global_=0;
+    ctx->cur_global = global_;
+    // We will resolve book_idx / verse_in_book from global later in global_to_book()
+    (void)bnum;(void)cnum;(void)vnum;(void)book_idx_;(void)verse_in_book_;
+    return true;
+}
+
+// Convert global idx -> book_idx and verse_in_book
+static void global_to_book(AppCtx* ctx, int global) {
+    if (ctx->book_count==0) return;
+    int remaining = global;
+    for (int i=0;i<ctx->book_count;i++) {
+        int vc = ctx->books[i].verse_count;
+        if (vc<=0) continue;
+        if (remaining < vc) {
+            ctx->cur_book_idx = i;
+            ctx->cur_verse_in_book = remaining;
+            return;
+        }
+        remaining -= vc;
+    }
+    // clamp to last
+    ctx->cur_book_idx = ctx->book_count-1;
+    ctx->cur_verse_in_book = ctx->books[ctx->book_count-1].verse_count-1;
+    if (ctx->cur_verse_in_book<0) ctx->cur_verse_in_book=0;
+}
+
+static void book_to_global(AppCtx* ctx) {
+    int g=0;
+    for (int i=0;i<ctx->cur_book_idx;i++) g+=ctx->books[i].verse_count;
+    g+=ctx->cur_verse_in_book;
+    ctx->cur_global=g;
+}
+
+/* ── Favorites ── */
+static bool is_favorite(AppCtx* ctx, int global_idx) {
+    if (global_idx<0) return false;
+    FILE* f = fopen(ctx->favorites_path, "r");
+    if (!f) return false;
+    int v;
+    while (fscanf(f, "%d", &v)==1) {
+        if (v==global_idx) { fclose(f); return true; }
+    }
+    fclose(f);
+    return false;
+}
+
+static void toggle_favorite(AppCtx* ctx) {
+    // load all
+    int vals[512];
+    int cnt=0;
+    FILE* f = fopen(ctx->favorites_path, "r");
+    if (f) {
+        while (cnt<512 && fscanf(f, "%d", &vals[cnt])==1) cnt++;
+        fclose(f);
+    }
+    // check existence
+    int idx=-1;
+    for (int i=0;i<cnt;i++) if (vals[i]==ctx->cur_global) idx=i;
+    if (idx>=0) {
+        // remove
+        for (int i=idx;i<cnt-1;i++) vals[i]=vals[i+1];
+        cnt--;
+        ctx->is_highlighted=false;
+    } else {
+        if (cnt<512) {
+            vals[cnt++]=ctx->cur_global;
+            ctx->is_highlighted=true;
+        }
+    }
+    ensure_user_dir(ctx);
+    f = fopen(ctx->favorites_path, "w");
+    if (!f) return;
+    for (int i=0;i<cnt;i++) fprintf(f, "%d\n", vals[i]);
+    fclose(f);
+}
+
+/* ── UI logic ── */
+static void apply_verse_scaling(AppCtx* ctx, const char* verse) {
+    if (!ctx->lbl_verse) return;
+    size_t len = strlen(verse);
+    // Tiers tuned from real device screenshots (240x320 style)
+    // < 40  : ultra short e.g. "Jesus wept." -> giant, centered, lots of breathing
+    // 40-100 : short -> large
+    // 100-200: medium -> default/large borderline
+    // 200-350: long -> small/default
+    // 350+ : very long (Esther 8:9 etc) -> extra compact
+    enum LvglFontSize font_sz;
+    int line_space;
+    int pad_v;
+    int pad_h;
+    int letter_space = 0;
+
+    if (len < 40) {
+        font_sz = FONT_SIZE_LARGE;
+        line_space = 14;
+        pad_v = 32;
+        pad_h = 36;
+        letter_space = 1;
+    } else if (len < 100) {
+        font_sz = FONT_SIZE_LARGE;
+        line_space = 11;
+        pad_v = 24;
+        pad_h = 28;
+    } else if (len < 200) {
+        font_sz = FONT_SIZE_DEFAULT;
+        line_space = 9;
+        pad_v = 18;
+        pad_h = 22;
+    } else if (len < 350) {
+        font_sz = FONT_SIZE_SMALL;
+        line_space = 6;
+        pad_v = 12;
+        pad_h = 18;
+    } else {
+        font_sz = FONT_SIZE_SMALL;
+        line_space = 4;
+        pad_v = 8;
+        pad_h = 14;
+    }
+
+    lv_obj_set_style_text_font(ctx->lbl_verse, lvgl_get_text_font(font_sz), 0);
+    lv_obj_set_style_text_line_space(ctx->lbl_verse, line_space, 0);
+    lv_obj_set_style_text_letter_space(ctx->lbl_verse, letter_space, 0);
+    lv_obj_set_style_pad_top(ctx->lbl_verse, pad_v, 0);
+    lv_obj_set_style_pad_bottom(ctx->lbl_verse, pad_v, 0);
+    lv_obj_set_style_pad_left(ctx->lbl_verse, pad_h, 0);
+    lv_obj_set_style_pad_right(ctx->lbl_verse, pad_h, 0);
+}
+
+static void show_current_verse(AppCtx* ctx) {
+    if (ctx->book_count==0) return;
+    global_to_book(ctx, ctx->cur_global);
+    book_to_global(ctx);
+    int bnum = ctx->books[ctx->cur_book_idx].bnumber;
+
+    if (!load_book(ctx, bnum)) {
+        lv_label_set_text(ctx->lbl_verse, "Failed to load book");
+        lv_label_set_text(ctx->lbl_ref, "");
+        return;
+    }
+
+    if (ctx->cur_verse_in_book<0) ctx->cur_verse_in_book=0;
+    if (ctx->cur_verse_in_book>=ctx->book_idx_count) ctx->cur_verse_in_book=ctx->book_idx_count-1;
+
+    VerseIndex* vi = &ctx->book_idx[ctx->cur_verse_in_book];
+    uint32_t off = vi->offset;
+    const char* text_ptr = "(empty)";
+    if (off < ctx->book_bin_size) text_ptr = (const char*)(ctx->book_bin + off);
+
+    char verse_buf[MAX_VERSE_TEXT];
+    strncpy(verse_buf, text_ptr, sizeof(verse_buf)-1);
+    verse_buf[sizeof(verse_buf)-1]='\0';
+
+    char ref_buf[96];
+    snprintf(ref_buf, sizeof(ref_buf), "%s %d:%d", ctx->books[ctx->cur_book_idx].bname, vi->cnum, vi->vnum);
+
+    char ref_pretty[96];
+    snprintf(ref_pretty, sizeof(ref_pretty), "— %s", ref_buf);
+
+    if (ctx->lbl_verse) {
+        lv_label_set_text(ctx->lbl_verse, verse_buf);
+        apply_verse_scaling(ctx, verse_buf);
+    }
+    if (ctx->lbl_ref) lv_label_set_text(ctx->lbl_ref, ref_pretty);
+    if (ctx->lbl_book_title) lv_label_set_text(ctx->lbl_book_title, ref_buf);
+    if (ctx->lbl_position) {
+        char pos_buf[40];
+        snprintf(pos_buf, sizeof(pos_buf), "%d / %d", ctx->cur_global+1, ctx->total_verses);
+        lv_label_set_text(ctx->lbl_position, pos_buf);
+    }
+
+    ctx->is_highlighted = is_favorite(ctx, ctx->cur_global);
+    if (ctx->btn_highlight) {
+        lv_obj_t* lbl = lv_obj_get_child(ctx->btn_highlight, 0);
+        if (lbl) lv_label_set_text(lbl, ctx->is_highlighted ? LV_SYMBOL_OK : LV_SYMBOL_DUMMY);
+        if (ctx->is_highlighted) {
+            lv_obj_set_style_bg_color(ctx->btn_highlight, lv_color_hex(0xF5C16C), 0);
+            lv_obj_set_style_text_color(ctx->btn_highlight, lv_color_hex(0x1E1E2E), 0);
+        } else {
+            lv_obj_set_style_bg_color(ctx->btn_highlight, lv_color_hex(0x252538), 0);
+            lv_obj_set_style_text_color(ctx->btn_highlight, lv_color_hex(0x8C8CB0), 0);
+        }
+        if (ctx->lbl_verse) {
+            if (ctx->is_highlighted) {
+                lv_obj_set_style_bg_color(ctx->lbl_verse, lv_color_hex(0x2E2818), 0);
+                lv_obj_set_style_bg_opa(ctx->lbl_verse, LV_OPA_COVER, 0);
+                lv_obj_set_style_border_color(ctx->lbl_verse, lv_color_hex(0xF5C16C), 0);
+                lv_obj_set_style_border_width(ctx->lbl_verse, 1, 0);
+                lv_obj_set_style_border_opa(ctx->lbl_verse, LV_OPA_40, 0);
+            } else {
+                lv_obj_set_style_bg_opa(ctx->lbl_verse, LV_OPA_TRANSP, 0);
+                lv_obj_set_style_border_width(ctx->lbl_verse, 0, 0);
+            }
+        }
+    }
+
+    if (ctx->btn_prev) {
+        if (ctx->cur_global<=0) lv_obj_add_state(ctx->btn_prev, LV_STATE_DISABLED);
+        else lv_obj_clear_state(ctx->btn_prev, LV_STATE_DISABLED);
+    }
+    if (ctx->btn_next) {
+        if (ctx->cur_global >= ctx->total_verses-1) lv_obj_add_state(ctx->btn_next, LV_STATE_DISABLED);
+        else lv_obj_clear_state(ctx->btn_next, LV_STATE_DISABLED);
+    }
+    save_progress(ctx);
+}
+
+static void advance_verse(AppCtx* ctx, int delta) {
+    int ng = ctx->cur_global + delta;
+    if (ng < 0) ng = 0;
+    if (ng >= ctx->total_verses) ng = ctx->total_verses-1; // stop at end, or wrap? we stop
+    // Optionally wrap to start after Revelation
+    // if (ng >= ctx->total_verses) ng = 0;
+    if (ng != ctx->cur_global) {
+        ctx->cur_global = ng;
+        show_current_verse(ctx);
+    }
+}
+
+/* ── Timer ── */
+static void on_auto_timer(lv_timer_t* t) {
+    AppCtx* ctx = (AppCtx*)lv_timer_get_user_data(t);
+    if (ctx->auto_paused) return;
+    if (ctx->cur_global < ctx->total_verses-1) {
+        advance_verse(ctx, 1);
+    } else {
+        ctx->auto_paused = true;
+        if (ctx->btn_play_pause) {
+            lv_obj_t* lbl = lv_obj_get_child(ctx->btn_play_pause, 0);
+            if (lbl) lv_label_set_text(lbl, LV_SYMBOL_PLAY);
+        }
+    }
+}
+
+/* ── UI callbacks ── */
+static void on_verse_tap(lv_event_t* e) {
+    AppCtx* ctx = (AppCtx*)lv_event_get_user_data(e);
+    toggle_ui(ctx);
+}
+
+static void toggle_ui(AppCtx* ctx) {
+    set_chrome_visible(ctx, !ctx->ui_visible);
+}
+
+static void set_chrome_visible(AppCtx* ctx, bool visible) {
+    ctx->ui_visible = visible;
+    if (visible) {
+        if (ctx->header_bar) lv_obj_remove_flag(ctx->header_bar, LV_OBJ_FLAG_HIDDEN);
+        if (ctx->ctrl_bar) lv_obj_remove_flag(ctx->ctrl_bar, LV_OBJ_FLAG_HIDDEN);
+    } else {
+        if (ctx->header_bar) lv_obj_add_flag(ctx->header_bar, LV_OBJ_FLAG_HIDDEN);
+        if (ctx->ctrl_bar) lv_obj_add_flag(ctx->ctrl_bar, LV_OBJ_FLAG_HIDDEN);
+    }
+}
+
+static void on_prev_click(lv_event_t* e) {
+    AppCtx* ctx = (AppCtx*)lv_event_get_user_data(e);
+    advance_verse(ctx, -1);
+}
+static void on_next_click(lv_event_t* e) {
+    AppCtx* ctx = (AppCtx*)lv_event_get_user_data(e);
+    advance_verse(ctx, 1);
+}
+static void on_play_pause_click(lv_event_t* e) {
+    AppCtx* ctx = (AppCtx*)lv_event_get_user_data(e);
+    ctx->auto_paused = !ctx->auto_paused;
+    if (ctx->btn_play_pause) {
+        lv_obj_t* lbl = lv_obj_get_child(ctx->btn_play_pause, 0);
+        if (lbl) lv_label_set_text(lbl, ctx->auto_paused ? LV_SYMBOL_PLAY : LV_SYMBOL_PAUSE);
+    }
+}
+static void on_highlight_click(lv_event_t* e) {
+    AppCtx* ctx = (AppCtx*)lv_event_get_user_data(e);
+    toggle_favorite(ctx);
+    // refresh highlight visuals without reloading
+    show_current_verse(ctx);
+}
+static void on_close_click(lv_event_t* e) {
+    AppCtx* ctx = (AppCtx*)lv_event_get_user_data(e);
+    (void)ctx;
+    tt_app_stop();
+}
+// Future hooks
+static void on_memo_click(lv_event_t* e) {
+    // Placeholder: in future record voice memo to /sdcard/bible_memos/<global>.wav
+    AppCtx* ctx = (AppCtx*)lv_event_get_user_data(e);
+    const char* btns[] = {"OK"};
+    tt_app_alertdialog_start("Voice Memo", "Voice memo recording will be added in a future version.\nFile will be saved under /sdcard/bible_memos/", btns, 1);
+}
+
+/* ── App lifecycle ── */
+static void onShowApp(AppHandle app, void* data, lv_obj_t* parent) {
+    memset(&g_ctx, 0, sizeof(g_ctx));
+    g_ctx.app = app;
+    g_ctx.loaded_bnumber = -1;
+    g_ctx.auto_paused = false;
+    g_ctx.ui_visible = false;
+    g_ctx.root = parent;
+
+    char ud_path[MAX_PATH]; size_t sz=sizeof(ud_path);
+    tt_app_get_user_data_path(app, ud_path, &sz);
+    snprintf(g_ctx.progress_path, sizeof(g_ctx.progress_path), "%s/progress.txt", ud_path);
+    snprintf(g_ctx.favorites_path, sizeof(g_ctx.favorites_path), "%s/favorites.txt", ud_path);
+
+    resolve_bible_paths(&g_ctx);
+
+    if (!load_books_manifest(&g_ctx)) {
+        lv_obj_t* lbl = lv_label_create(parent);
+        lv_label_set_text(lbl, "Bible data not found.\n\nExpected:\n assets/bible/books.json\n or /sdcard/bibles/\n\nRun tools/convert_bible.py");
+        lv_obj_align(lbl, LV_ALIGN_CENTER, 0, 0);
+        lv_label_set_long_mode(lbl, LV_LABEL_LONG_MODE_WRAP);
+        lv_obj_set_width(lbl, LV_PCT(80));
+        return;
+    }
+
+    if (!load_progress(&g_ctx)) g_ctx.cur_global = 0;
+    if (g_ctx.cur_global <0 || g_ctx.cur_global >= g_ctx.total_verses) g_ctx.cur_global=0;
+
+    // Deep paper dark - eye friendly for meditation
+    lv_obj_set_style_bg_color(parent, lv_color_hex(0x0E0E14), 0);
+    lv_obj_set_style_bg_opa(parent, LV_OPA_COVER, 0);
+    lv_obj_remove_flag(parent, LV_OBJ_FLAG_SCROLLABLE);
+    lv_obj_set_style_pad_all(parent, 0, 0);
+
+    // Full screen tap area
+    g_ctx.verse_wrapper = lv_obj_create(parent);
+    lv_obj_set_size(g_ctx.verse_wrapper, LV_PCT(100), LV_PCT(100));
+    lv_obj_align(g_ctx.verse_wrapper, LV_ALIGN_CENTER, 0, 0);
+    lv_obj_set_style_bg_opa(g_ctx.verse_wrapper, LV_OPA_TRANSP, 0);
+    lv_obj_set_style_border_width(g_ctx.verse_wrapper, 0, 0);
+    lv_obj_set_style_pad_all(g_ctx.verse_wrapper, 0, 0);
+    lv_obj_remove_flag(g_ctx.verse_wrapper, LV_OBJ_FLAG_SCROLLABLE);
+    lv_obj_add_flag(g_ctx.verse_wrapper, LV_OBJ_FLAG_CLICKABLE);
+    lv_obj_add_event_cb(g_ctx.verse_wrapper, on_verse_tap, LV_EVENT_CLICKED, &g_ctx);
+
+    // Center reading column with generous breathing room
+    lv_obj_t* center_col = lv_obj_create(g_ctx.verse_wrapper);
+    lv_obj_set_size(center_col, LV_PCT(90), LV_PCT(80));
+    lv_obj_center(center_col);
+    lv_obj_set_style_bg_opa(center_col, LV_OPA_TRANSP, 0);
+    lv_obj_set_style_border_width(center_col, 0, 0);
+    lv_obj_set_flex_flow(center_col, LV_FLEX_FLOW_COLUMN);
+    lv_obj_set_flex_align(center_col, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
+    lv_obj_set_style_pad_gap(center_col, 14, 0);
+    lv_obj_set_style_pad_all(center_col, 0, 0);
+    lv_obj_remove_flag(center_col, LV_OBJ_FLAG_SCROLLABLE);
+    lv_obj_add_flag(center_col, LV_OBJ_FLAG_CLICKABLE);
+    lv_obj_add_event_cb(center_col, on_verse_tap, LV_EVENT_CLICKED, &g_ctx);
+
+    g_ctx.lbl_verse = lv_label_create(center_col);
+    lv_obj_set_width(g_ctx.lbl_verse, LV_PCT(100));
+    lv_label_set_long_mode(g_ctx.lbl_verse, LV_LABEL_LONG_MODE_WRAP);
+    lv_obj_set_style_text_color(g_ctx.lbl_verse, lv_color_hex(0xE8E6E0), 0);
+    lv_obj_set_style_text_font(g_ctx.lbl_verse, lvgl_get_text_font(FONT_SIZE_LARGE), 0);
+    lv_obj_set_style_text_align(g_ctx.lbl_verse, LV_TEXT_ALIGN_CENTER, 0);
+    lv_obj_set_style_text_line_space(g_ctx.lbl_verse, 8, 0);
+    lv_obj_set_style_text_letter_space(g_ctx.lbl_verse, 0, 0);
+    lv_obj_set_style_radius(g_ctx.lbl_verse, 16, 0);
+    lv_obj_set_style_pad_all(g_ctx.lbl_verse, 16, 0);
+    lv_label_set_text(g_ctx.lbl_verse, "Loading...");
+
+    g_ctx.lbl_ref = lv_label_create(center_col);
+    lv_obj_set_style_text_color(g_ctx.lbl_ref, lv_color_hex(0x7A7A96), 0);
+    lv_obj_set_style_text_font(g_ctx.lbl_ref, lvgl_get_text_font(FONT_SIZE_SMALL), 0);
+    lv_obj_set_style_text_align(g_ctx.lbl_ref, LV_TEXT_ALIGN_CENTER, 0);
+    lv_obj_set_style_text_letter_space(g_ctx.lbl_ref, 1, 0);
+    lv_label_set_text(g_ctx.lbl_ref, "");
+
+    // ── Header bar (frosted dark) ──
+    g_ctx.header_bar = lv_obj_create(parent);
+    lv_obj_t* hb = g_ctx.header_bar;
+    lv_obj_set_size(hb, LV_PCT(100), 44);
+    lv_obj_align(hb, LV_ALIGN_TOP_MID, 0, 0);
+    lv_obj_set_style_radius(hb, 0, 0);
+    lv_obj_set_style_bg_color(hb, lv_color_hex(0x15151F), 0);
+    lv_obj_set_style_bg_opa(hb, LV_OPA_COVER, 0);
+    lv_obj_set_style_border_width(hb, 0, 0);
+    lv_obj_set_style_border_side(hb, LV_BORDER_SIDE_BOTTOM, 0);
+    lv_obj_set_style_border_color(hb, lv_color_hex(0x232338), 0);
+    lv_obj_set_style_border_width(hb, 1, 0);
+    lv_obj_set_style_pad_hor(hb, 12, 0);
+    lv_obj_set_style_pad_ver(hb, 0, 0);
+    lv_obj_remove_flag(hb, LV_OBJ_FLAG_SCROLLABLE);
+
+    g_ctx.lbl_book_title = lv_label_create(hb);
+    lv_obj_align(g_ctx.lbl_book_title, LV_ALIGN_LEFT_MID, 0, 0);
+    lv_obj_set_style_text_color(g_ctx.lbl_book_title, lv_color_hex(0xE8E6E0), 0);
+    lv_obj_set_style_text_font(g_ctx.lbl_book_title, lvgl_get_text_font(FONT_SIZE_SMALL), 0);
+    lv_label_set_text(g_ctx.lbl_book_title, "Bible");
+
+    g_ctx.lbl_position = lv_label_create(hb);
+    lv_obj_align(g_ctx.lbl_position, LV_ALIGN_RIGHT_MID, 0, 0);
+    lv_obj_set_style_text_color(g_ctx.lbl_position, lv_color_hex(0x6A6A8A), 0);
+    lv_obj_set_style_text_font(g_ctx.lbl_position, lvgl_get_text_font(FONT_SIZE_SMALL), 0);
+    lv_label_set_text(g_ctx.lbl_position, "1 / 1");
+
+    // ── Bottom controls (minimal) ──
+    g_ctx.ctrl_bar = lv_obj_create(parent);
+    lv_obj_t* cb = g_ctx.ctrl_bar;
+    lv_obj_set_size(cb, LV_PCT(100), 56);
+    lv_obj_align(cb, LV_ALIGN_BOTTOM_MID, 0, 0);
+    lv_obj_set_style_radius(cb, 0, 0);
+    lv_obj_set_style_bg_color(cb, lv_color_hex(0x15151F), 0);
+    lv_obj_set_style_bg_opa(cb, LV_OPA_COVER, 0);
+    lv_obj_set_style_border_width(cb, 1, 0);
+    lv_obj_set_style_border_side(cb, LV_BORDER_SIDE_TOP, 0);
+    lv_obj_set_style_border_color(cb, lv_color_hex(0x232338), 0);
+    lv_obj_set_style_pad_all(cb, 6, 0);
+    lv_obj_set_style_pad_gap(cb, 4, 0);
+    lv_obj_set_flex_flow(cb, LV_FLEX_FLOW_ROW);
+    lv_obj_set_flex_align(cb, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_CENTER);
+    lv_obj_remove_flag(cb, LV_OBJ_FLAG_SCROLLABLE);
+
+    lv_obj_t* btn;
+    lv_obj_t* lbl;
+
+    g_ctx.btn_close = lv_button_create(cb);
+    lv_obj_set_size(g_ctx.btn_close, 38, 38);
+    lv_obj_set_style_radius(g_ctx.btn_close, 10, 0);
+    lv_obj_set_style_bg_color(g_ctx.btn_close, lv_color_hex(0x1E1E2E), 0);
+    lv_obj_set_style_text_color(g_ctx.btn_close, lv_color_hex(0x8C8CB0), 0);
+    lbl = lv_label_create(g_ctx.btn_close); lv_label_set_text(lbl, LV_SYMBOL_CLOSE); lv_obj_center(lbl);
+    lv_obj_add_event_cb(g_ctx.btn_close, on_close_click, LV_EVENT_CLICKED, &g_ctx);
+
+    g_ctx.btn_prev = lv_button_create(cb);
+    lv_obj_set_size(g_ctx.btn_prev, 44, 38);
+    lv_obj_set_style_radius(g_ctx.btn_prev, 10, 0);
+    lv_obj_set_style_bg_color(g_ctx.btn_prev, lv_color_hex(0x252538), 0);
+    lv_obj_set_style_text_color(g_ctx.btn_prev, lv_color_hex(0xC4C4D4), 0);
+    lbl = lv_label_create(g_ctx.btn_prev); lv_label_set_text(lbl, LV_SYMBOL_PREV); lv_obj_center(lbl);
+    lv_obj_add_event_cb(g_ctx.btn_prev, on_prev_click, LV_EVENT_CLICKED, &g_ctx);
+
+    g_ctx.btn_play_pause = lv_button_create(cb);
+    lv_obj_set_size(g_ctx.btn_play_pause, 76, 38);
+    lv_obj_set_style_radius(g_ctx.btn_play_pause, 19, 0);
+    lv_obj_set_style_bg_color(g_ctx.btn_play_pause, lv_color_hex(0x2A2A4A), 0);
+    lv_obj_set_style_text_color(g_ctx.btn_play_pause, lv_color_hex(0xE8E6E0), 0);
+    lbl = lv_label_create(g_ctx.btn_play_pause); lv_label_set_text(lbl, LV_SYMBOL_PAUSE); lv_obj_center(lbl);
+    lv_obj_add_event_cb(g_ctx.btn_play_pause, on_play_pause_click, LV_EVENT_CLICKED, &g_ctx);
+
+    g_ctx.btn_next = lv_button_create(cb);
+    lv_obj_set_size(g_ctx.btn_next, 44, 38);
+    lv_obj_set_style_radius(g_ctx.btn_next, 10, 0);
+    lv_obj_set_style_bg_color(g_ctx.btn_next, lv_color_hex(0x252538), 0);
+    lv_obj_set_style_text_color(g_ctx.btn_next, lv_color_hex(0xC4C4D4), 0);
+    lbl = lv_label_create(g_ctx.btn_next); lv_label_set_text(lbl, LV_SYMBOL_NEXT); lv_obj_center(lbl);
+    lv_obj_add_event_cb(g_ctx.btn_next, on_next_click, LV_EVENT_CLICKED, &g_ctx);
+
+    g_ctx.btn_highlight = lv_button_create(cb);
+    lv_obj_set_size(g_ctx.btn_highlight, 44, 38);
+    lv_obj_set_style_radius(g_ctx.btn_highlight, 10, 0);
+    lv_obj_set_style_bg_color(g_ctx.btn_highlight, lv_color_hex(0x252538), 0);
+    lv_obj_set_style_text_color(g_ctx.btn_highlight, lv_color_hex(0x8C8CB0), 0);
+    lbl = lv_label_create(g_ctx.btn_highlight); lv_label_set_text(lbl, LV_SYMBOL_DUMMY); lv_obj_center(lbl);
+    lv_obj_add_event_cb(g_ctx.btn_highlight, on_highlight_click, LV_EVENT_CLICKED, &g_ctx);
+
+    btn = lv_button_create(cb);
+    lv_obj_set_size(btn, 38, 38);
+    lv_obj_set_style_radius(btn, 10, 0);
+    lv_obj_set_style_bg_color(btn, lv_color_hex(0x1E1E2E), 0);
+    lv_obj_set_style_text_color(btn, lv_color_hex(0x6A6A8A), 0);
+    lbl = lv_label_create(btn); lv_label_set_text(lbl, LV_SYMBOL_AUDIO); lv_obj_center(lbl);
+    lv_obj_add_event_cb(btn, on_memo_click, LV_EVENT_CLICKED, &g_ctx);
+
+    set_chrome_visible(&g_ctx, false);
+    show_current_verse(&g_ctx);
+    g_ctx.auto_timer = lv_timer_create(on_auto_timer, AUTO_ADV_MS, &g_ctx);
+}
+
+static void onHideApp(AppHandle app, void* data) {
+    (void)app; (void)data;
+    if (g_ctx.auto_timer) {
+        lv_timer_delete(g_ctx.auto_timer);
+        g_ctx.auto_timer = NULL;
+    }
+    save_progress(&g_ctx);
+    unload_book(&g_ctx);
+    // UI objects are deleted by LVGL parent cleanup
+    memset(&g_ctx, 0, sizeof(g_ctx));
+    g_ctx.loaded_bnumber = -1;
+}
+
+int main(int argc, char* argv[]) {
+    tt_app_register((AppRegistration){
+        .onShow = onShowApp,
+        .onHide = onHideApp
+    });
+    return 0;
+}
diff --git a/Apps/BibleVerse/manifest.properties b/Apps/BibleVerse/manifest.properties
new file mode 100644
index 0000000..c9a3245
--- /dev/null
+++ b/Apps/BibleVerse/manifest.properties
@@ -0,0 +1,11 @@
+[manifest]
+version=0.1
+[target]
+sdk=0.8.0-dev
+platforms=esp32s3,esp32p4
+[app]
+id=one.tactility.bibleverse
+versionName=0.1.0
+versionCode=1
+name=Bible Verse
+description=Single verse at a time, advances each minute. Tap to show controls.
diff --git a/Apps/BibleVerse/tools/convert_bible.py b/Apps/BibleVerse/tools/convert_bible.py
new file mode 100755
index 0000000..185385d
--- /dev/null
+++ b/Apps/BibleVerse/tools/convert_bible.py
@@ -0,0 +1,109 @@
+#!/usr/bin/env python3
+"""
+Convert sajeevavahini Zefania XML bible -> per-book .bin/.idx format for BibleVerse app.
+
+Usage:
+  python tools/convert_bible.py --src "World English Bible.xml" --dst assets/bible
+  # or auto-download:
+  python tools/convert_bible.py --download WEB --dst assets/bible
+"""
+import argparse, os, sys, json, struct, pathlib, urllib.request, xml.etree.ElementTree as ET
+
+# mapping for --download shortcut to raw urls
+DL_MAP = {
+    "WEB": "https://raw.githubusercontent.com/sajeevavahini/bibles/main/World%20English%20Bible.xml",
+    "KJV": "https://raw.githubusercontent.com/sajeevavahini/bibles/main/King%20James%20Version.xml",
+    "ASV": "https://raw.githubusercontent.com/sajeevavahini/bibles/main/American%20Standard%20Version%20(1901).xml",
+}
+
+def download(url, dst_path):
+    print(f"Downloading {url} -> {dst_path}")
+    urllib.request.urlretrieve(url, dst_path)
+    print(f"  done {os.path.getsize(dst_path)} bytes")
+
+def parse_and_write(src_xml, dst_dir):
+    os.makedirs(dst_dir, exist_ok=True)
+    print(f"Parsing {src_xml} ...")
+    books_data = {} # bnum -> {bname, chapters: {cnum: [(vnum,text)]}}
+
+    cur_bnum = 0; cur_bname=""; cur_cnum=0
+    # iterparse for low memory
+    ctx = ET.iterparse(src_xml, events=("start","end"))
+    for event, elem in ctx:
+        if event=="start":
+            if elem.tag=="BIBLEBOOK":
+                cur_bnum=int(elem.attrib.get("bnumber","0"))
+                cur_bname=elem.attrib.get("bname","").strip()
+                if cur_bnum not in books_data:
+                    books_data[cur_bnum]={"bname":cur_bname, "chapters":{}}
+            elif elem.tag=="CHAPTER":
+                cur_cnum=int(elem.attrib.get("cnumber","0"))
+                if cur_bnum in books_data:
+                    books_data[cur_bnum]["chapters"].setdefault(cur_cnum, [])
+        else:
+            if elem.tag=="VERS":
+                vnum=int(elem.attrib.get("vnumber","0"))
+                text=(elem.text or "").strip()
+                if text and cur_bnum in books_data:
+                    books_data[cur_bnum]["chapters"].setdefault(cur_cnum, []).append((vnum,text))
+            if elem.tag in ("VERS","CHAPTER","BIBLEBOOK"):
+                elem.clear()
+
+    print(f"Found {len(books_data)} books")
+    book_list=[]
+    total=0
+    for bnum in sorted(books_data.keys()):
+        binfo=books_data[bnum]
+        bname=binfo["bname"]
+        chapters=binfo["chapters"]
+        entries=[]
+        for cnum in sorted(chapters.keys()):
+            for vnum, txt in sorted(chapters[cnum], key=lambda x: x[0]):
+                entries.append((cnum,vnum,txt))
+        total+=len(entries)
+        bin_path=os.path.join(dst_dir, f"{bnum:02d}.bin")
+        idx_path=os.path.join(dst_dir, f"{bnum:02d}.idx")
+        with open(bin_path,"wb") as bf, open(idx_path,"wb") as ix:
+            ix.write(struct.pack("<4sHI", b'BIBK', 1, len(entries)))
+            off=0
+            for cnum,vnum,txt in entries:
+                data=txt.encode('utf-8')
+                bf.write(data+b'\x00')
+                ix.write(struct.pack("<IHH", off, cnum, vnum))
+                off+=len(data)+1
+        book_list.append({"bnumber":bnum,"bname":bname,"verses":len(entries),"chapters":len(chapters)})
+        print(f"  {bnum:02d} {bname:20s} {len(chapters)} ch {len(entries)} vs")
+
+    manifest={"books":book_list,"total_verses":total,"version":1,"translation":os.path.basename(src_xml)}
+    with open(os.path.join(dst_dir,"books.json"),"w") as f:
+        json.dump(manifest,f,indent=2)
+    print(f"Total {total} verses, wrote to {dst_dir}")
+
+def main():
+    ap=argparse.ArgumentParser()
+    ap.add_argument("--src", help="Source XML file")
+    ap.add_argument("--dst", default="assets/bible", help="Destination folder")
+    ap.add_argument("--download", choices=list(DL_MAP.keys()), help="Download preset: WEB, KJV, ASV")
+    args=ap.parse_args()
+
+    src=args.src
+    if args.download:
+        # download to temp then use
+        os.makedirs(os.path.dirname(args.dst) or ".", exist_ok=True)
+        tmp=os.path.join(args.dst, "_tmp_download.xml") if os.path.isdir(args.dst) else args.dst+"_tmp_download.xml"
+        # ensure parent exists
+        pathlib.Path(args.dst).mkdir(parents=True, exist_ok=True)
+        tmp_path=os.path.join(args.dst, f"_{args.download}.xml")
+        if not os.path.exists(tmp_path) or os.path.getsize(tmp_path)<100000:
+            download(DL_MAP[args.download], tmp_path)
+        src=tmp_path
+    if not src:
+        print("Need --src or --download")
+        sys.exit(1)
+    if not os.path.exists(src):
+        print(f"Source not found: {src}")
+        sys.exit(1)
+    parse_and_write(src, args.dst)
+
+if __name__=="__main__":
+    main()