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.
FWIW, almost all the supporting dealers can order from the CZ suppliers in Canada, so pick your favorite Gun Dealer and ask them for one. If there is one in the country they can have it within a week, if they are motivated to. This goes for pretty much every new gun.