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.
No with that many numbers it's a Chi-Com. Unfortunately unless it was made at /26\ there is no real way to date the manufacture of it. Howie Bearse has done the most research so far. But I'm not sure if he could date it either.