Mahjong is a popular game that originated in China. It is commonly played by four players. The game and its regional variants are widely played throughout Eastern and South Eastern Asia and have a small following in Western countries. Mahjong is similar to the Western card games like rummy, mahjong is a game of skill, strategy, and calculation and involves a degree of chance. This is a 13 tile implementation of Mahjong based upon International rules. These rules are derived from China, Taiwan, Hong Kong and other countries. This application has been designed to help people practice for World Mahjong competitions. If you have any questions or issues, please email email@example.com.