A look at Android's march into the mainstream

One year ago, T-Mobile USA unveiled the world's first phone running Google's untested but much-hyped operating system for cell phones. Since then, Android has gained widespread support from carriers and handset makers.  FierceWireless decided to check out the major Android handsets that have been commercially introduced to date, in a rough guide (though certainly not comprehensive) to the Android market. In highlighting the major Android announcements, we've included the pros and cons of each device, and that device's impact on the manufacturer, carrier and respective players. Special feature