For Nintendo Wii Classic Controller

1) Simple .Intuitive. Easy to use . The Classic Controller is designed to work together with the Wii remote (sold separately) on the Wii console .Created for accessibility and comfort, the Classic Controller blends design elements from Nintendo's classic video game systems such as the NES ,Super Nintendo and Nintendo64, providing seamless play control for a wide range of games and gameplay styles.

2) The Classic Controller is prmarily used for playing Virtual Console games avalible for download on the Wii shop channel .Some wii disc games also use the classic controller .Look on the back of the Wii game packaging to see which games use the Classic Controller