VRidge - Play PC VR games inside your mobile VR headset.
FaceTrackNoIR - FaceTrackNoIR is only available for Windows-based PC's (sorry, we have to start somewhere) and...
TrinusVR - TrinusVR connects your Android phone to your PC so you can play your PC games in virtual reality.
FreeTrack - Head tracking software for webcams, Nintendo Wii Remotes and NaturalPoint cameras (TrackIR...
Virtual Desktop - Use your computer in VR
Eyeware Beam - Turn your phone into an eye & head tracker!