Best alternatives to Bluestack

Genymotion is the fastest and freshest android emulator with over 900k users and 1 500 000 developers worldwide.
New versions of android os can be easily installed, currently it provides several devices of android versions from gingerbread to kitkat.
Features :
1 Genymotion emulator is easy to install and easy to run
2 Support sensors to test specialized features on your app
3 OpenGL acceleration support
4 High Resolution devices
5 New versions of Android OS

Note : you need to register (free) first with genymotion to install android devices.
Go to Genymotion Download Page

Genymotion

              

There are many free softwares in the market which enables users to run android os on their computers but I found Andy software the best among these softwares. After installing Andy, users can run android apk apps on their desktops, the best feature of Andy is that it also supports installation of android apps directly from the official  Google Play Store.

Features of Andy :
1. Full Android UI
2. Supports Windows 7,8
3. Mac OSX
4. Google Play Store
5. App Sync to Mobile
6. Phone as Contoller
7. Android access to local File System
8. Multi-Touch support
9. Cloud Save in Android X86 native apps
10. ARM support
11. Sensors Integration
12. OpenGL
13. Hardware support
14. Camera
15. Integration Microphone
16. Integration Hardware Console
17. Run Apps from Desktop
18. Desktop Push Notification
19.Developers Support
Download Andy Here