TrackIR - TrackIR adds depth to the PC gaming experience by enabling players to take control of the in-game view.
YouTube VR - Watch YouTube cat videos (and more) in VR with Daydream
Eyeware Beam - Turn your phone into an eye & head tracker!
Couch Live - Your virtual living room for watching TV with friends!
FaceTrackNoIR - FaceTrackNoIR is only available for Windows-based PC's (sorry, we have to start somewhere) and...
Google Earth VR - Walk the earth in VR