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.
My wife now,,, bought me mine in 1977 still have it in it's place of honor still works and on its second trigger assembly. Won't sell it but nice to take it out and puff a few lol.