This is an add-on to Marine Compass that will allow you to view the real world under the compass. This can be really useful to precisely point a given direction.
Please consider purchasing this add-on if you wish to support the free Marine Compass app.

Please note this app will not appear in the list of apps and cannot be launched: this plugin will provide additional features for Marine Compass. It can be selected through the settings screen of Marine Compass, under the 'Augmented reality' option.