Wii Menu is a Built-In Emulator for the Nintendo Wii U which emulates its predecessor, the Nintendo Wii. To do so you have to reboot your Wii U into "Wii Mode".

The Wii U Game Pad is the console's standard controller and comes packed in with the console. The GamePad, which has a touch screen display, is used for all native Wii U games, though additional ...

The 2006 game WarioWare: Smooth Moves didn't help. A Wii rhythm game, you were required to beat a variety of short "microgames" with motion control challenges that sped up the longer you stayed alive.