Top Windows Emulator for Android

1>BlueStack 

 Bluestack App player lets you to play your favorite android games on your PC.

It is available in all the platforms like windows XP , Windows 7 , Vista , Mac etc.

You can download it from HERE.

2>Genymotion Android Emulator 

GenyMotion is best Android emulator for testing Android applications but you can also use it for runningandroid apps and games on your PC and Laptop.