To add the Troop calendar to your Google Calendar, click on the "+Google Calendar" above.

For iOS Calendar:

1. Long press and copy this link:  https://calendar.google.com/calendar/ical/cs14img5oifihnitsumrgblmck%40group.calendar.google.com/public/basic.ics

2. On your iPhone or iPad go to Settings > Accounts > Add Account > Other.

3. Tap on Add Subscribed Calendar.

4. In the Server section, paste that ICS link you copied.

5. Change the Description if desired.

6. Make sure the Use SSL switch is on and hit the Save button.