Check the Stagefright vulnerability of your Android device

You can check your Android device and it's vulnerable to the Stagefright bug by an App. 

DOWNLOAD - Google Play Services 6.1.88 (1557022-738)

Get a copy of "Google Play Services", version 6.1.88 FREE from here.
 
Filename: com.google.android.gms-v6.1.88-1557022-738.apk

Version: 6.1.88 (1557022-738)

File size: 26.07 MB (27,338,759 bytes)