The written version of the tutorial is now online. This tutorial will show you how to build a mobile application for reading the Slashdot RSS feed using Flash Builder 4.5. In order to complete this tutorial, you will need Flash Builder "Burrito" and the sample files, which include two Flash Builder projects:
The starter project [contains icons and other assets]
The completed project [the finished project that you can use as a source code reference]
This tutorial is brought to you courtesy of the Adobe Evangelism team. You may reproduce, modify, and use these materials for just about any purpose as long as you respect the copyrights of the owners involved [including Slashdot and Adobe]. You may use this to teach courses in mobile development.
Link:
http://www.adobe.com/devnet/air/articles/mobile-rss-reader.html