How to play:
Use the left mouse to control pieces.
About Japanese Mahjong
Cool Math Japanese Mahjong is another variation of mahjong, except Japanese terminology. In which, players can make a completed set by calling for a new reject of the other person. It will be shown on the table. When a winning tile of a closed hand is a discard, the meld consisting of that will be considered to open. If the han value is five or more, the fu one is still counted but unnecessary. The score will depend on both of them. Good luck!