Company Chan Bill created these great apps:
MTG Life classic, Picker Clock, Picker Clock - an adjustable timer, MTG Life Multiplayer, Mahjong counter, YGO life - a duel life counter, MTG Life classic Pro, 鬥地主計分器, ManaFix, 麻雀計分PRO, MTG life - life counter for your game, Wide Angle Selfie, Kingdom Counter, Revenue, Lou Lan Cha, 周易占卜, Zone Vibrate, and others..
