Play multiplayer Mahjong with friends or AI — real American & Chinese Mahjong Mahjong 4 Friends brings real American Mahjong online with NMJL cards, Charleston rounds, and authentic multiplayer gameplay — plus Chinese Mahjong and more. Play with friends, AI, or both at the same table. American Mahjong — Just Like Your Weekly Game Play real American Mah Jongg with NMJL (National Mah Jongg League) 2026 and Marvelous Mah-Jongg cards, complete with Charleston rounds (with optional blind pass across), jokers, and authentic tile scoring. Official NMJL cards from 2020–2026 and Marvelous Mah-Jongg cards from 2021–2026 are fully supported. Chinese, Hong Kong, British & Panama Variants Switch styles anytime. Play 13-tile Mahjong with pongs, kongs, chows, and pairs — Chinese Mahjong, Hong Kong Mahjong, British Mahjong, and Panama Mahjong all fully supported. Need to play by your own house rules? Sequence and scoring rules can be customized to match the way y...