Selfrev

Hello there im using bigbox on a handheld (Aya Neo Retro Power) ! when i use it in Handheld Mode everything works Fine. When i use it in docked Mode i want to use my Xbox pro 2 Controller…. It works to navigate in bigbox but in Games it dident work! is there any possibility to Switch Controllers for all Emulators or Must i set it up seperatly each Time? hope you guys can help…