Android Design V2
Google’s Android Design tool has been updated. One of the big new features is a stencil system to help developers make great looking Android applications.
Free Metro icons
If you are looking to do any Metro development, Syncfusion has a library of 600+ icons suitable for Metro use, completely free of charge.
appMobi directCanvas for Android beta
BlackBerry 10 Jam
RIM is hosting the BlackBerry 10 Jam, a developer-oriented event concurrent to BlackBerry World, on May 1 - 3, 2012 in Orlando, FL.