It's something I've been hoping for a while now, and Nintendo have officially confirmed that Gamecube games are heading to NSO once the Switch launches.
Nintendo have announced that The Legend of Zelda: The Wind Waker, F-Zero GX, and Soul Calibur II will be launching first with other games such
They used some kind of hybrid solution for Super Mario 3D All-Stars but I can’t imagine Switch 2 won’t be powerful enough for regular emulation. Even relatively old Android phones can run Dolphin now.