Wii U modding refers to the process of modifying the Wii U video game console to enable the use of unauthorized software and features. This can include installing custom software, playing backups of games, and running homebrew applications.
Wii U modding has become popular among gamers for a number of reasons. First, it allows users to play games that are not available on the official Nintendo eShop. Second, it can improve the performance of games and make them more enjoyable to play. Third, it allows users to customize their Wii U console with custom themes and skins.