Private relay on your phone on android 

 personal relay running on the phone to store all your notes locally

and expose with orbot for a outbox relay over tor on the phone

or use as a p2p nostr dm relay on the phone over tor when added to private dm inbox

https://github.com/greenart7c3/Citrine 

 oh wow that's pretty cool 

 Very powerful. Basically means that as long ad I have my phone and wifi I can't be censored. Your client would be pulling from or posting directly with my phone.