How my phone looks right now with did:nostr OS. And I'm also running a nostr relay in the phone. It's not a full OS, more a hybrid, using termux. And 
but maybe that's enough.
fonstr
fonstr - Run Your Own Nostr Relay in One Line
Run your own Nostr relay in one command. Works on phones, servers, everywhere. Zero config, pure JavaScript, under 90 seconds.
