Mobile Multiview is not supported on Daydream yet. However the setting ought to do nothing, rather than break rendering.
Jira created:
UEVR-586 Mobile Multiview setting breaks rendering on daydream.
The others are also clearly bugs. I’d guess pretty simple ones, eg null checks somewhere.
Jira created:
UEVR-587 Daydream apps crash if blueprint references steam chaperone or oculus guardian.