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.
Yup I have this and it works very well. You can kinda use a picatinny rail swivel mount at the end of the top rail but it is awkward and I can't trust the top rail supported by just 2 tiny screws.