jp mahjong 1In Japanese mahjong, yaku (Japanese: ) is a condition that determines the value of the player's hand. It is essential to know the yaku for game strategy.Mainkan Mahjong Jepang, Mahjong Cina, Mahjong Sichuan on gratis, Hanya Bermain untuk MAHJONGO. Bergabunglah sekarang dan bersenang