Google Inc. 159,19 -1,60 -1,00% has removed 16 apps from their Playstore that have been found to be performing ad (click) fraud. In addition they were casing users device battery’s to deplete and in some cases causing users to exceeded their data caps. Furthermore, these 16 apps had a combined install base of around 20 million. The apps provided legitimate functions, including flashlight, camera, QR reading, and measurement conversions, security firm McAfee said on Wednesday. When opened, however, the apps surreptitiously downloaded additional code that caused them to perform ad fraud. From then on, infected devices received messages through the Google-owned…