DroidPad lets you use your Android powered phone as a Joystick on a computer. You can connect via USB or WiFi. Install the android part on your phone with the Android Market Download the installer and run it.
Full Specifications
What's new in version 2.0
General
ReleaseFebruary 12, 2013
Date AddedFebruary 12, 2013
Version2.0
Operating Systems
Operating SystemsWindows, Windows XP, Windows Vista, Windows 7