Используйте приложение APKPure
Историческую версию DynamicG Calendar Sync for Android 4 and 5 можно получить на Android
DynamicG Calendar Sync для Android 4 и 5
Calendar Sync Plugin for the Time Recording app.
This is only relevant for Android 4 and Android 5 devices (starting with Android 6, Calendar Sync is integrated directly in the main app).