After a slow start, Android phones are now available from all the major carriers. T-Mobile launched its first "Google phone," the G1 in 2008, followed by the Google Nexus One. Sprint and Verizon have followed suit with the Droid Incredible and the HTC Evo 4G. AT&T has also joined the fray. The best Android phones have the most up-to-date software (version 2.0 or higher). Compare Android phones below.