They don't offer emulated games as standalone purchases anymore (and, frankly, the idea that they charged repeatedly for games is insane to me) -- instead, now it's tied to the Switch Online subscription service.
> and, frankly, the idea that they charged repeatedly for games is insane to me
I've been curious whether Switch libraries will follow you to whatever the next Nintendo console is. They haven't done that in the past, but online purchases might be so common now that they can no longer get away with not doing it.