Script for iPhone & Android to Auto Bookmark a Webpage

What i want is the following 1. When the user visits my site via iphone browser 2. The user will be forward automatically to our mobile page,, Where he will be directed to (add to bookmark) 3. Once the bookmark is saved, it will forward to our mobile directory [login to view URL] [login to view URL] (same concept) 4. If the user is using android operating system, then it will forward to a page to download our android app (non market app) directly from our website Note: we currently have a browser enabled detection currently with google chrome, so we don't want that modified