Now that smartphones have outsold PCs and the Android system has become the most popular smartphone system outside of Apple's. It behooves us to get serious about security for Androids. Any successful operating system attracts all kinds of malware and hacker activity. Google has risen to the call with Bouncer, an app that establishes a rounded-out security service for Android phones. Bouncer carries out virus protection, searching for malware and the like and simulating android behaviour in the cloud to ferret them out. Check it out.