The Joystick gives you a real physical joystick for increased precision with touchscreen based gamesNo Power supply and driver needed, easy to use, High precision, High sensitiveNew 3.0 version clips-on designed easy to use, support almost all games on Android or IOS phone and tablet.phone and tabletSupported Most touchscreen devices. Supported Games but not limited to Rules of Survival, Survivor Royale, Knives Out, PUBG Mobile, Critical Ops.