You can sync your shift rota from MyShiftPlanner into your device calendar.
-Tap on the cog icon in the top right of the screen
-Tap on Settings
-Tap on the Sync/Sharing tab in the top right.
From here you can choose to export your shift pattern to your phone calendar. Or bring personal events/appointment from your phone calendar into My Shift Planner
This feature requires the Pro-Pack add-on.