How to install the Gamepad?
1: Find and open the Setup panel in the Game interface
2: Click on User-defined operation setup
3: Set up the use-defined firing key,and save it.
Note: If one Gamepad can't work,you can move the position of the corresponding button in the game, then close the screen and reopen the screen.
Note again: This game pad have size limits for mobile phones which width cannot not over 1cm.