Let us start here, from square one. No, from Zero!

games/loveplus/loveplus.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "games/game.h"
+
+namespace games::loveplus {
+
+    // touch stuff
+    void touch_update();
+
+    class LovePlusGame : public games::Game {
+    public:
+        LovePlusGame();
+        virtual void attach() override;
+        virtual void detach() override;
+    };
+}