Mahjong 4 Friends allows you to play mahjong with your friends and/or bots! American, Chinese, Hong Kong, and British Mahjong are supported. Can't play your way? Send us an email! If you can't install Mahjong 4 Friends app, you can also play at https://mahjong4friends.com. Mahjong 4 Friends provides instructions in a bubble near the right hand side of the screen while in a game. If you want to learn more about rules and strategies, a comprehensive tutorial is linked to from the app. Summaries of rules are provided below: American Mahjong Rules (NMJL): - One right, across, left charleston round (0-3 tiles left) - If all 4 players agree, One left, across, right charleston round (0-3 tiles right) - One charleston pass across (0-3 tiles) - Mahjong when matching a combination on the card. - Jokers can only be used in matches of 3 or more tiles. - Any player can swap a matching tile for exposed jokers Chinese/British/Hong Kong Rules - 4 pongs/kongs and a pair are mahj...