Streaming usage per person is available via one of the stats plugins, but it is admittedly crude and missing some info (such as bandwidth used).
I’m using the android app without issues, which didn’t require side loading, but my experience with other platforms is zero.
Possible, not practical.
I use substance painter and I need it to work. I don’t want to spend hours messing around trying to make it work and jumping through hoops.
Wine for DCC is great if you enjoy tinkering with pipelines rather than using them, but impractical for people who are trying to reliably get work done.