This a mobile game that your supposed to use your fingers to play that game via a touch screen on your phone or tablet. Allowing controllers is an extremely unfair advantage compared to using a MOBILE game using your fingers. Also when using a controller your able to key bind your actions, agian an unfair advantage to a FINGER MOBILE PHONE GAME. If think your so amazing by cheating on a MOBILE game, try rocket league normally. People doing this should be banned from the game.