A Faster Emulator with Better Hardware Support
http://android-developers.blogspot.jp/2012/04/faster-emulator-with-better-hardware.html
Google Updates Android Emulator to Include GPU Acceleration Support for Android 4.0.4 Image, Other Nice Changes
http://phandroid.com/2012/04/09/google-updates-android-emulator-to-include-gpu-acceleration-support-for-android-4-0-4-image-other-nice-changes/
Winではどうも動かない事例が多いそう。