This document discusses Adobe AIR and mobile application development. It introduces AIR, noting that AIR 2.0 and higher allows developing applications for iOS and Android using Flash Professional and Flash Builder. It outlines features supported across AIR versions like touch input, GPS, HTML, gestures. It demonstrates how to code touch, accelerometer and gesture events. It recommends using Flash Builder with the Flex SDK to develop the user interface and access mobile APIs. In the future, extensions for Flash Professional and improvements to Flash Builder are planned to better support mobile development with AIR.