I think a few people have used it?  I forget if we ever came to a consensus on whether or not there were faster memory card saving/loading times though.

Animal Crossing

Nintendont

Mario Kart 64

Super Mario Bros.

Super Mario Bros. 2

Super Mario Bros. 3

Super Monkey Ball 2

Super Mario 64

The Legend of Zelda

Super Mario Land 2: 6 Golden Coins

Metroid (NES)

Donkey Kong (NES)

Tecmo Super Bowl

Super Mario Bros. Category Extensions

Super Mario 64 Category Extensions

Mario Kart 8 Deluxe

Super Mario 64 Randomizer

zekeSSB

Default Group