What is this? I am lost.

[FlyingBoat]

I am testing out this game for my daughter who races motorcycles and I had bought her a Rift.

I installed this and start GPBikes VR. But all I see is what looks like a tiny login screen inside the Rift. What do I need to do to try out this demo in VR?

[PiBoSo]

There is a "Demo" button in the login page.
The virtual screen shouldn't be tiny. Maybe pressing F8 can help.