VRidge - Play PC VR games inside your mobile VR headset.
Intugame - Intugame VR lets you play PC games in Virtual reality by using your smartphone and a Virtual...
Virtual Desktop - Use your computer in VR
Ottifox - Design & Prototype WebVR UI's & Themes
BigScreen VR - Your desktop in virtual reality, with friends; play games, watch movies, and hangout in VR.
TrinusVR - TrinusVR connects your Android phone to your PC so you can play your PC games in virtual reality.