By using fake pokemon go with GPS joystick, you can get banned, although the GPS location changer isuseful. Pokemon go is an app that can be better useful for faking the GPS joystick.
These GPS joysticks can be better helped in the manufacturing of the location. What you should focus more on is how to choose a highly safe joystick for Pokemon Go. The cooling-timer function of iMyFone AnyTo can solve your problem.