Use APKPure App
Get DynamicG Calendar Sync for Android 4 and 5 old version APK for Android
Android 4 और 5 के लिए डायनामिक कैलेंडर सिंक
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).