
Although the R4 can run all sorts of homebrew, most use it exclusively to play pirated games, and Nintendo has noticed. The new lawsuit hopes to stop the manufacturing and distribution of the R4 and among the companies supporting Nintendo are SNK, Capcom, Square Enix, Tecmo and The Pokemon Company.
Nintendo says the R4 is "causing severe damage to our company and software makers, and this is something that we cannot possibly overlook."
The suit was filed in the Tokyo District Court and is using the Unfair Competition Prevention Law as its legal basis.