Reshared post from +Shane Conder
If your Android development machine using an Intel CPU, this is a great way to really improve the performance of the Android emulator… so much so that I wish my desktop had an Intel CPU. It makes the Android emulator faster than many devices, and feel a lot like the iOS simulator. Well worth setting up, if you can.
Supercharge Your Android Emulator Speed – Developer.com
Learn how you can boost your Android emulator speed to real device performance levels — or even faster.