Add function to retrieve the Android data path

src/GameEngine.c

@@ -15,6 +15,7 @@
 #include "SDL_rect.h"
 #include "SDL_render.h"
 #include "SDL_surface.h"
+#include "SDL_system.h"
 #include "SDL_timer.h"
 #include "SDL_ttf.h"
 #include "SDL_video.h"
@@ -192,6 +193,12 @@ ObjectID add_object(void *object, EventHandlerPtr event_handler,
                              update_func, render_func);
 }
 
+#ifdef __ANDROID__
+const char *get_android_internal_storage(void) {
+  return SDL_AndroidGetInternalStoragePath();
+}
+#endif // __ANDROID__
+
 void remove_object(ObjectID *id) {
   if (!(GameEngine.running) || !(GameEngine.object_store)) {
     return;