Company Office of the Government Chief Information Officer, Hong Kong SAR Government created these great apps:
Tell me@1823, 香港政府通知你, 政府 App 站通, 消閒一站通, e-Auth, Wi-Fi.HK, HK GovWiFi, iStartup@HK, StayHomeSafe App, 智方便 iAM Smart, LeaveHomeSafe, QR Code Verification Scanner, and others..