User Activity

I've enabled checkbox "Allow Optional 3DoF Head Tracking" in OVRManager Quest features. But my app still can't start when headtracking disabled (for example in low light room).I've checked manifest and i see that: How to add ability for app to work w...
Currently my app can't running when tracking disabled. But i see that some apps an work when tracking disabled. I wonder how to do it? How to add ability to running app when tracking disabled?
I wonder what's right way to change system audio volume and how to get current value?How i see OVRManager.volumeLevel is deprecated.
I can't find any manual how to correct set app icon and banner in unity. Can anyone say how to do it and what requirements for banners.
I have hand tracking and it works good. Also we see menu icons (menu icon for left hand and recenter icon for right hand) when rotate palm and look on it. I have some case when i hide hand visuals depends on some hardcoded hand position.And i wonder ...