Michael Sutton, vice president of security research at cloud-based security provider Zscaler, said the fake "The Roar of the Pharaoh" app for Android reflects the shift of malware authors to target the Android platform, whether or tablets. Fake game apps that are really Trojans are increasing and "this is a typical scam for Android now," he says.

Ellen Messmer is senior editor at Network World, an IDG publication and website, where she covers news and technology trends related to information security.

in Network World's Wide Area Network section.