点任意一列投下数字球。数字 N 的球在它所在行或列恰好有 N 颗球时消除；消除引发连锁，连锁越长分越高。游戏内「设置 → 怎么玩」可随时重看图解教程。
Tap a column to drop a ball. A ball numbered N clears when its row or column holds exactly N balls. Revisit the tutorial anytime via Settings → How to Play.
商店页底部「恢复购买」。/ Use "Restore Purchases" at the bottom of the Shop.
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