The target version of the Android operating system was increased from 19 to 26 (Android Oreo).
Only the current version so far — new entries appear as the app ships updates.
Chinese Digital Clock is an education app by StanisLaw.ru with 500+ downloads (about 711 estimated). Released Oct 16, 2017. Install growth, rank history, SDKs and ad networks.
From the store listing: “Digital clock using Chinese digits (for example, to learn them).”