|Wanna sting ya ;-)...|
Here are some of the key updated features...
*. Enhanced rendering (including better "spaced" margins, etc for simultaneous renderings).
*. In the layout editor they've included a new zoom to fit feature.
*. Better layouts merging.
*. Other numerous updates for SDK tool kits...
Now these are just a few to name. So if you're an android app developer then make sure to get the latest SDK kit from this official android 3.0 SDK page.