1. Elastic material to improve the adsorption surface, the joystick can be fixed on any mobile phone and tablet PC surface, has excellent paste ability, , will not scratch the touch screen. It can be easily removed without leaving any scratches or residue and is extremely durable. 2. Mini Mobile Joystick will give you the best precision and comfort for the touch screen games. Most player increase their performances by up to 50%! 3.Easy to use and never overwrite the game - Joystick diameter is 0.99 inches, no additional spiral pattern covering game. No wires, Bluetooth or battery needed, just paste it on the screen to start playing! It helps to relieve finger pressure by simply pressing the pressure on the screen of the phone, allowing the player to completely abandon the analog joystick and enjoy a variety of complex games. Perfect compatibility - any game with a certain kind of screen control panel is suitable for mobile joysticks. It is compatible with all touch screen devices.