In this video tutorial create a spash screen for your mobile applications using Flash Builder Burrito, Flex SDK Hero, and AIR 2.5. Learn to set the minnimum size of the splash screen and deal with sizing for different resolution devices.
Demo (RANT!) on the Tablet OS signing process touching on the many, many things that could potentially trip you up. Using Tablet OS 9.4 SDK from RIM with both Flash Builder "burrito" and the command line.