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 has been down a long time. You might just want to call or email them. I even sent them a message offering to help them get it up and running (I am a web / e-commerce specialist) but never heard anything back from them.
