Second exhibit, the screen recording software:
Full sample screensnap:
The underlined F here:
Indicates the frames per second. In the video, it ranges from a high of the 40s to a low in the 20s.
Before we get to the video, further evidence:
So this is the first true 4K VR available?
It’s clear that the current version of Google Cardboard can’t support 4K VR. It defaults to using just one-fourth of a 4K screen:
And, to be clear, his phone is using Android 6.x, as he says in the Comments at this YouTube video:
This problem will persist until after the May Google I/O shindig where they will likely announce new VR bits that will support higher resolutions.
Now the 4K VR videos: