Wii U USB Helper is a free tool which allows you to easily backup your 3DS and Wii U games. You can play them on your Wii U, 3DS or even your computer thanks to the included emulators. Wii U USB Helper (Windows edition only) is compatible various emulators including Cemu.
Features:
- Enjoy up to 40x faster downloads than on a regular 3DS or Wii U!
- Play Wii U and 3DS games directly on your computer!
- Install GameCube games on your Wii U and play them with the GamePad!