How to turn Android phone into an USB gamepad for PC? Is it possible to turn an Android phone into a USB gamepad for the PC? If yes, how?
Have you tried searching for gamepad in Google Play?

Here are some of the results:


Ultimate Gamepad



  Connect through wifi or bluetooth in the most simple way. Install the
  Ultimate Control Receiver program on your computer (PC, Mac or Linux)
  and select it from the list displayed on your phone.



DroidPad



  DroidPad lets you use your phone as a PC joystick or mouse.