The project stop the development but i want thanks for all people contribute to Yjs (and ofc @dmonad) and make that framework amazing!!
The https://facilita.social/ its app game to facilitators use card games in call with groups.
Site its Portuguese but its possible to test creating free acount
The app its here https://app2.facilita.social/
Yjs allow it be trully P2P and let the server be very small.
Sorry for my bad english. I cannot express to big gratitude.
And looking forward to use Yjs in Rust to some another amazing project. <3