An app that purportedly spoofed a Mac so that Android smartphone and tablet owners could send and receive text-like messages through Apple's iMessage service disappeared today from the Google Play app store.Google confirmed that it yanked the app for violating its store policies.Dubbed "iMessage Chat," the app came under quick fire Monday from other app developers who said the program may have been harvesting Apple ID usernames and passwords by passing packets through a China-based server.The app first appeared on Google Play on Sept. 12 and was available as late as Monday. By today, however, it had been scrubbed from the app store.iMessage is Apple's proprietary technology that is embedded in the Message apps for iOS 5 and later and OS X Mountain Lion. When users text another iOS device or a Mac, they sidestep their mobile carrier's traditional SMS (short message service), avoiding texting charges.The Android app was designed to let users piggyback on Apple's iMessage se
