When i try to install the apps packaged by AIR3.1 on the ipad ios5.0.1.
After i drag the app to my iturns and click the "Synchronous" button.The ipad alert the message install faild.
(Iturns don't have any error messages,and i can see the icon when you install some app.)
These old app can run on this ipad before update to ios5.0.1.