We've set up the following page on how to use the marine chart app for navigation . We've created a separate page for all device categories that we support. Please let us know if we've missed out something or anything that needs more details. http://www.gpsnauticalcharts.com/main/marine-navigation-app

We are pleased to announce the release of nautical charts covering Central Canada and St. Lawrence river. The detailed list of all charts covered in this folio is available below. Central Canada folio This folios is derived from ENC data and is available on all Android, Blackberry and QNX devices.  If you see your chart missing, please let us know .