You can add each of the calendars to your phone or email client by adding the relevant calendar file to it. Any updates in the calendar will automatically then be visible on your phone.
How to add the calendar to an iPhone
The server address is verified and a Subscription screen appears.
The calendar appears on the calendar list in the Calendar app.
You can also look at this video – https://www.youtube.com/watch?v=vtpxEy3TPqY
How to add the calendar to an Android
This is easier when done on a Computer
For more instructions including pictures click here