There is a lot of information on how to use this Virtual Joystick at it's GitHub page. The README file offers a lot of useful tips. This Virtual Joystick is fantastic for Mobile Devices and works like a charm with the Hardware Acceleration from Starling! If you would like to see a Demo of this skinnable JoyStick, please visit: http://springmissile.com/swfs/advancedjoystickdemo/. This JoyStick works very well with Touch when Starling is used on Mobile Devices. It has been tried and tested on a Google Nexus 7 and it ran smoothly.