American MahJong Practice 2018 is real American MahJong with Charleston.
Play quick games offline.
Practice new scorecards from any league or your own patterns. Patterns are not validated.
Test game strategy with replay option. A game ends when you mahjong or the wall of tiles runs out. Opponents build patterns but do not declare mahjong.
Info button in the app provides details about the mechanics of moving tiles.
For beginners, reference Standard American MahJong rules online. You should know basic rules before using this app.