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.
Use a cleaner - oil isn't one. Something like G96 for the outside. For the cylinder face, use a lead remover cloth, they work pretty well and last years if you keep them in the bag they come with.