Hold A + Home for 3 seconds to enter "Gamepad plus V3" mode.
Laser Gaming Controller FAQ - Connect to ShootingPlus V3 on iOS shootingplus v3 pc
is a key mapping software designed to enable gamers to play mobile games (like PUBG Mobile, Call of Duty Mobile, Free Fire, and Brawl Stars) on their PC using a keyboard and mouse. It acts as an Android emulator bridge, translating PC inputs into touch-screen signals. Hold A + Home for 3 seconds to enter "Gamepad plus V3" mode
If your controller is connected but not working in games, open Steam Settings > Controller and enable Steam Input for your specific controller type. Call of Duty Mobile