Please help how to hide virtual gamepad in android games

I want to remove the virtual gamepad in android games like shadow fight 2 I play with a moga pro all the time and I map the controller keys to touch screen buttons now it's very annoying seeing the virtual game pad moving like a ghost to my button presses if there is a way like editing the manifest.XML of the games or a windows tool to do so please tell me I want to solve this and I am sure millions want this too so this thread when solved will help a lot of people