Initial game launcher

games/demo_game.cpp

@@ -0,0 +1,60 @@
+// ============================================================================
+// DEMO GAME IMPLEMENTATION
+// ============================================================================
+// Simple demo game to test the launcher
+
+#include "demo_game.h"
+#include <stdio.h>
+#include <string.h>
+
+extern Font font_5x5_obj;
+
+DemoGame::DemoGame(uint16_t width, uint16_t height, LowLevelRenderer* renderer, LowLevelGUI* gui)
+    : Game(width, height, renderer, gui), tap_count(0), exit_requested(false) {
+}
+
+void DemoGame::init() {
+    tap_count = 0;
+    exit_requested = false;
+}
+
+bool DemoGame::update(const InputEvent& event) {
+    bool needs_refresh = false;
+    
+    if (event.type == INPUT_TOUCH_DOWN || event.type == INPUT_BUTTON_0 || event.type == INPUT_BUTTON_1) {
+        tap_count++;
+        needs_refresh = true;
+        
+        // After 3 taps, signal to exit
+        if (tap_count >= 3) {
+            exit_requested = true;
+        }
+    }
+    
+    return needs_refresh;
+}
+
+void DemoGame::draw() {
+    // Draw main window
+    gui->draw_new_window(10, 10, width - 20, height - 20, "Demo Game");
+    
+    renderer->set_font(&font_5x5_obj);
+    
+    // Draw centered message
+    int y = height / 2 - 40;
+    
+    renderer->draw_string(width/2 - 60, y, "Demo Game!", true);
+    renderer->draw_string(width/2 - 80, y + 20, "This is a placeholder", true);
+    
+    // Show tap count
+    char count_text[40];
+    snprintf(count_text, sizeof(count_text), "Taps: %d", tap_count);
+    renderer->draw_string(width/2 - 40, y + 50, count_text, true);
+    
+    // Instructions
+    if (tap_count < 3) {
+        renderer->draw_string(width/2 - 80, y + 80, "Tap 3 times to exit", true);
+    } else {
+        renderer->draw_string(width/2 - 70, y + 80, "Exiting to menu...", true);
+    }
+}

games/demo_game.h

@@ -0,0 +1,30 @@
+// ============================================================================
+// DEMO GAME HEADER
+// ============================================================================
+// Simple demo game to test the launcher
+
+#ifndef DEMO_GAME_H
+#define DEMO_GAME_H
+
+#include "game.h"
+
+/**
+ * @brief Demo Game - Simple test game for launcher
+ * 
+ * Displays a welcome message and simple instructions.
+ * Touch or press button to exit back to launcher.
+ */
+class DemoGame : public Game {
+public:
+    DemoGame(uint16_t width, uint16_t height, LowLevelRenderer* renderer, LowLevelGUI* gui);
+    
+    void init() override;
+    bool update(const InputEvent& event) override;
+    void draw() override;
+
+private:
+    int tap_count;
+    bool exit_requested;
+};
+
+#endif // DEMO_GAME_H