In the last 2 or 3 days google’s android team come to know about around 52 malware apps on android market and around 2 lakh 60 thousand smartphone already download them, so for protecting their users they remove all these app form market and and they are also using a new remote killing feature for removing these apps form you smartphone.If your device is infected by these malware apps you will receive an email in 72 hours and after that google will remotely remove that app form your device without even disturbing you and after that you receive a notification and email about it.
For more information check it out here:
Google Mobile Blog
Google android Malware Kill switch
