Mahj Mentor: Learn Mahjong

Mahj Mentor teaches American mahjong from your very first tile to a full table.

LEARN Short lessons walk through the tiles, the Charleston, jokers, calling and scoring, with a quick check after each one.

PRACTICE Play a whole game against patient bots, or with Plus, pass one phone around the table with friends. Beginner drills and a daily challenge keep your skills sharp.

PLAY TOGETHER Invite friends with a link or code, make a group and compare scores. Start an online game with friends or choose Play someone new. Take each turn when it suits you, with preset reactions for a little table talk.

THE CARD, IN TILES The Mahj Mentor card draws every hand as real tiles. With Plus, start from your rack and see the hands you are closest to.

MY OWN CARD Photograph the card your group plays from, crop each page and send it to be read in large print and tiles. The app explains how the pages go through our server to Anthropic's Claude before you send them. Check the results against the printed card.

TILES AND MAT Choose a tile style and a mat, browse tile sets in the Store, or request a custom set with photos and a few words. Our team makes custom sets with AI tools. Gifts and sets you buy join your collection, and Show it off makes a link you can share. Store sets are separate in-app purchases.

MAHJ MENTOR PLUS An optional subscription adds coaching and more ways to play: hints at the table, the Charleston coach, the closest hands to your tiles, intermediate and advanced drills, Pass and Play, the Journey and detailed progress. Plus is billed monthly and renews until you cancel in your Apple account settings.

Mahj Mentor plays its own card of original hands.

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