That’s a great idea using a controller would definitely make polar alignment feel smoother and more intuitive. From what I’ve seen, the ASIAIR Pro doesn’t natively support third-party minecraft apk game controllers like the Logitech F310, so getting it to communicate directly can be tricky or not possible at the moment. Most people end up relying on the ASIAIR app’s on-screen controls or using a laptop with EQMOD if they really want joystick-style control. Hopefully ZWO adds proper controller support in the future, because it would be a very useful feature for setups like yours.