It’s technically possible but it would require devices with at least Android 10.
Would be amazing & would be especially useful for the Nvidia Shield TV.
Yes, this if this would also include being able to use an Amazon Fire Stick as the server.
@here, phone to phone is possible with the latest versions but Android TV isn’t officially supported. I’ve heard of people sideloading it though.
The feature request for Android TV is here:
Android TV