The main bug we've found, is that there is no way to repick host in the lobbys, so if host is AFK, the game can't start.
If someone leaves the lobby, the names all get mixed up, so people end up with different usernames.
As well as this, a lot of people's tablets have the shift button held down, so either everything is in all caps, or they have to be manually taken ogf for each letter, which takes a lot of time.
If you are typing, it covers up the text box, which means you miss info while typing.