There is the #Mostr bridge developed by nostr:npub108pv4cg5ag52nq082kd5leu9ffrn2gdg6g4xdwatn73y36uzplmq9uyev6 that allows the two devices to talk to each other but this doesn't look like mostr contact from the others I have seen. Maybe its just a copy/paste while he was trying it out?