1. Added Avant Garde defensive rule modifications.
2. Selectable Charleston individual hand useless tile display.
From the Reai Standalone Mahjong series - American Mahjong.
* Beginner to strong AI.
* NMJL-2019, NMJL-2018, NMJL-2004, AMJL-2019.
* Charleston/discard/claim recommendations.
* Exclusive opponent hand prediction.
* Comprehensive rule - edit at will.
* Standalone mahjong.
* Friends can join your table through Wifi.
* Mahjong AI is human-like, rarely makes irrational moves, never cheats.
* Free to play.
