Cartridges are pretty popular, if only because you can sell / borrow them. I have an SD card for the online-only titles, but it's pretty small IIRC. But yeah,

Cartridges are pretty popular, if only because you can sell / borrow them. I have an SD card for the online-only titles, but it's pretty small IIRC. But yeah, this still seems like a major use case for larger MicroSD cards.