Being condescending to us won’t fix a thing. Please reconsider your approach.

Pretty sure JACK can host an audio server that other devices can output to. Can’t say for sure how easy it is or how it works, but a quick search brought up NetJACK and it looks promising.

Edit: Just re-read and realized you were including a Windows PC and Android phone. There might be utilities to make these work with NetJACK but, I have no idea there.

EOS is based on Arch and Pop is based on Ubuntu. So, biggest difference will be more up-to-date packages.

I’d buy it on Blu-ray tomorrow if I could. They won’t shut up and take my money…

Solid domain, hope this works out. Even better if you have a list of maintained forks as alternatives.