Add function to retrieve the Android data path

include/GameEngine.h

@@ -32,6 +32,10 @@ void stop_game();
 void close_engine();
 
 i64 get_time();
+
+#ifdef __ANDROID__
+const char *get_android_internal_storage(void);
+#endif // __ANDROID__
 // END GENERAL ENGINE API
 
 // OBJECT MANAGEMENT API