I have created a demo mobile application with Flex 4 (Gumbo), Flash Catalyst and AIR 1.5 to be deployed on desktops or on a touch screen UMPC as well as future ARM devices that will support AIR 1.5.

The AIR application allows you to search videos from YouTube and download them into your hard drive. Take a look at some screen shots and the application on UMPC mobile device.

Here’s the application in Photoshop:

Here’s the application in Flash Catalyst:

State 1:

State 2:

AIR and Flash Catalyst

I took the pictures from my iphone so the quality is not the best but you get the idea.

AIR and Flash Catalyst on UMPC mobile

The full tutorials and explanation on how to build applications like this one will be available in my new book which will be out in May by APress and can be purchased in a discount price from Amazon.