Ok, first of all, is the multiplayer function becoming Pokémon/Smash only? I know NSMB2 is a compatible game, but after the following happened, I became frustrated.
There are a few Pokémon rooms and a Smash room constantly hosted, and I can connect to these rooms without a problem. If these rooms are hosted by the devs, then I make a request for a NSMB2 room as well…this game is really being left in the dust.
I’ve seen people host NSMB2 rooms twice. For both times, when I try to connect, it throws me an error message telling me to make sure my connection settings are correct; but at the same time, I can connect to any of the other rooms.
Connecting to other rooms: