The feed reader understands RSS 1.0 and RSS 2.0. Also it is able to retrieve the rss feed link in most major website's link tags. For example:: http://www.apple.com will retrieve the rss feed associated with apple's main website.
How to add a feed
Tap on the "Edit" button located on the top left-hand corner of the program.
You should see it change to the screen here.
Tap on the "+" button on the top right-hand corner.
You should then see this screen.
Type in the feed URL. (Hint* This URL can be the main page of a website as most websites have an associated RSS feed link in their link tag)
You can either hit the submit button or the done button on the keyboard.