The one tile that changes everything — learn when to swap it, when to hoard it, and when to weaponize it If you’ve played American mahjong (NMJL-style) for any length of time, you already know the rush. You peek at your hand after the Charleston, and sitting there among your tiles are one, two — … Continue reading American Mahjong Joker Strategy: Exchanges, Joker Bait & Endgame Timing