Notes:
VR instance stereo
Run the game in standalone (right click .uproject file and select launch), switch to VR with alt+enter. Then do “profilegpu”.
Documentation: https://docs.unrealengine.com/latest/INT/Engine/Editor/VR/index.html
VR template: https://wiki.unrealengine.com/VR_Template
https://www.youtube.com/watch?v=20kzY5axUOM from min 16 /30
Iets oudere video (dec 2016)