It is a quiz app for practicing the difficult role of Mahjong Chiniisou. It contains more than 1000 different questions and keeps solving them repeatedly to improve your mahjong skills.


The app that can keep solving the problem of Chiniisou is very useful from the viewpoint that it is very troublesome to make and it will not be good without practice.


With this app, you can feel your growth while checking your own records.