One thing the Android apps lack is the design polish compared to iOS apps. We can’t say all apps are bad, but there are some Android apps which are out right ugly, this might change in the future with the Android design version 2.
Android team today released Android design stencils for developers, these stencils will allow developers to develop beautiful applications for Ice Cream Sandwich Android 4.0. These stencils can added by drag and drop, feature rich typography, colors interactive controls, and icons found throughout Ice Cream Sandwich, along with some phone and tablet outlines.
Currently stencils are available for Adobe Fireworks and Omni OmniGraffle, and these may extend to other applications in the future according to the Android team. The source files for various icons and controls used in Android are also available in the Android Design website, these were created in Adobe Photoshop and Adobe Illustrator.
Android Developers can download the stencils and icon pack, action bar etc from Android Design website.
Source: Android Blog, Via Techmeme