Company CK&B created these great apps:
HiddenTag(히든태그), ScanHit Joy (스캔힛 조이), ScanHit(스캔힛), QRJOY(큐알조이)-QR코드 인식, PetsVill, 한국의 유산, HiddenTag C.O.P.(히든태그 캅), HiddenTag C.O.P., HiddenTag For Skinion, HiddenTag For ABOUTME, ImageMatching(이미지매칭), HiddenTag For Hurom, MasaTag, and others..