This should be much easier to include to Lichess, and it may serve as a testing preliminary for the real bughouse.
For anyone who has never seen it: Same two players play on two boards. Example: www.youtube.com/watch?v=nONRiARJ6qI
For anyone who has never seen it: Same two players play on two boards. Example: www.youtube.com/watch?v=nONRiARJ6qI