Hi, I’ve created a simple Hidden Controller Input Example for Mobile devices. The purpose of this is to get rid of the Joystick UI, that can sometimes pull down the user experience. The inspiration behind this is the control mechanics from Limbo.
It works like this.
Example GIFs:
This is all tested in Android 5.0.
(This is an open-source project.)
Link: Invisible Controller for Mobile
Hope this helps. 