The Android Design project was met with excitement from developers with expectations that it will be a significant step towards better designed Android apps, and now Android Developers announced that image stencils for Android 4.0 - the tools used to create ICS Holo-themed applications.
The stencils are available for three of the most popular programs for designers - Adobe Photoshop, Fireworks, and Omni Omnigraffle.
Android has already released the style tools including the Roboto font and the action bar icon pack. Hit the source link below for all the details and check out the Android Design website for more on the matter.
source: Android Developers