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.
I shot the same rifle you purchased out to long distances and there is no need for one. I could spot my own shots and on the really far shots you can take a second to reposition then see the impact.
