Smash 4 photos $))

I believe it is used for storage, of purchased eshop games, pictures, videos, music, etc.

*Smash for Wii U

Wii mode

its mainly used for Wii eshop and any game that has screenshots i think.

A new homebrew just came out called SDUSB. It lets you use the SD card as a USB drive for games. I'm so glad homebrew exists!

there's no way we got fkin spongebob in this thread LOLL