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.
Hoping that CTCS can bring them in. Last time i checked (2yrs ago) they were restricted to US only. Not by Primary Arms, but by Trijicon. I think it had something to do with marketing a non standard trijicon reticle - or something like that.