As you may have installed more than 1 calendars in your mobile device, please ensure that you select and synchronise with “Hong Kong Public Holidays” in calendar’s setting. Select the Google account used for synchronizing your mobile device and sync with the calendar app.In the mobile device, Tap 'Settings' on the Home screen.Click “Add Calendar” and the subscription will be completed on Google Calendar.Enter the URL of the language version of Calendar that you choose:.In 'Desktop' view of Google Calendar, click the '+' sign beside “Other calendars” on the left hand side of the Google Calendar.Go to through a browser, login to Google Calendar with the Google Account used for synchronising the mobile device.Generally speaking, Android users can subscribe to HK Public Holidays iCal using Google Calendar and synchronise it to their mobile devices as follows: