Four Tiles Mahjong (jp.co.tsukul.yonma) on Google Play
Four Tiles Mahjong is ordinary Japanese mahjong except that ,as the name implies, your hands consist of four tiles.Although the winning hands consist of five tiles (or six tiles if you have declared KAN), this is Four Tiles Mahjong.If you want to learn Japanese mahjong, Four Tiles Mahjong may help you a lot.