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.
Correct. Most people have astigmatism to some extent. The smaller and brighter the dot, the more likely you will see it as irregular or star-shaped rather than a perfect circle. Keeping the brightness low and focusing on the target, rather than the dot, will tend to minimize this.
Good trick if you need to take a precise shot with the red dot is to flip up the rear sight and look through that. It will make your red dot a perfect circle.