Janou Touryuumon is a digital conversion of the popular competitive table game mahjong, and is officially licensed by the Japan Professional Mahjong Association. It features the endorsement of, and tips from, several prominent professional mahjong players, including JPMA founders Takeo Kojima and Yūkō Itō. There are a variety of practice, tournament, and skills test modes, all of which are played against the computer.