GameTACT Joypad Touch Screen Game Controller Joystick for Android Apps that use a Virtual Analog Stick or Directional Pad - Works With Motorola DROID Turbo 2 , Google Nexus 6 , HTC One M9 and More Reusable adhesive design offers quick and easy installation and removal. Works with Motorola DROID Turbo 2 , Google Nexus 6 , HTC One M9 and More Increased control and performance compared to your phone's virtual analog stick Can be used with thousands of mobile games that utilize a virtual controller / analog stick No additional software or batteries required Easily stored when not in use; No bigger than the size of a quarter