While you are on the site, in your browser find and click "Add to Home Screen" A CGN beaver app icon will then be created to your phone that is directly link to the site.
Note: This feature may not be available in some browsers.
It depends on if it is newer. Older ones have a v-block the newer ones have screwed in barrels. I don't know the exact year that they switched to the screwed in barrels but I believe it was after 2009 or so.
