QuadRoot Android Exploit Facts and should you be worried and what should you do to be safe from these exploits.
Basic android security tips you should follow https://www.youtube.com/watch?v=4jbpnIn3nOY&index=3&list=PLtIc4giS3RKNVKfKyreTii5Qq8NNIol6y
Android Central article http://www.androidcentral.com/google-confirms-verify-apps-can-block-apps-quadrooter-exploits
Quadroot Scanner https://play.google.com/store/apps/details?id=com.checkpoint.quadrooter
