Only the current version so far — new entries appear as the app ships updates.
賽馬會官立中學 is an education app by School Team Technology Limited with 1,000+ downloads (about 1.4K estimated). Released Aug 22, 2016. Install growth, rank history, SDKs and ad networks.
From the store listing: “提供一站式即時通訊平台,令家長隨時了解子女在學校的情況,包括通告,活動提示》,家校通訊,功課提示,出席記錄,校曆表等資訊。”