This app is the smartphone version of the online shogi site "81Dojo" (http://81dojo.com) under the patronage of the Japan Shogi Association. 81Dojo is characterized by its unique and advanced functionalities such as the interactive post-game analysis support, very real playing environment including professional byoyomi voice, and the internationalization. Most of those functionalities are copied to this app. 81Dojo stays with you all the time, while you take it with your smartphone to anywhere y