You can add scout events to your calendar by adding the calendar below to your smartphone’s calendar / Outlook / Google Calendar / iCal. https://www.google.com/calendar/ical/bc509l5nt719aau54bkv7ugpi4%40group.calendar.google.com/public/basic.ics
Leaders: there is a different URL that allows you to update the calendar directly. The URL is in the calendar settings on Google calendar. If you can’t find it, see Michael.