Demo of Instapaper API in iPhone app

There's api for a website [login to view URL], Look at the URL for the description of [login to view URL] I want some one to write small iOS app which demonstrates authentication and showing list of items from [login to view URL] Instapaper uses oAuth and you can create consumer key and secret and also register for free @ [login to view URL] website Condition is that you have to use oAuth and only the API's mentioned in above URL.