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.
They often pop up in part lots, and there are other firearm classifieds sites beyond this one. I know of one up for sale on ####### at this moment for $30, and have seen several others pop up time to time
