Japanese mahjong game. You can play with 9 computer players. Requirements. Android OS 1. 6 or upper. Display: 480w - 800h. Support language. English. Japanese. This application uses Twitter4J that is a library to post tweets. Twitter4J was created by Mr. Yusuke Yamamoto and licensed under Apache License 2. 0. Furthermore, Twitter4J uses some softwares created by JSON. Org.