Company Oopee created these great apps:
Checky for iPad, Checky Lite: Checklist, Action, POLY POP: Coloring Puzzle Game, Checky Pro: Checklist & Action, 짐짐: 시간제 운동 예약 서비스, Secret SEOUL: Korea Tour Guide, Secret BUSAN: Korea Tour Guide, Secret JEJU: Korea Tour Guide, and others..
