Android Search - a universal search tool a little like Google Desktop Search that allows you to search your phone and the web from the place.
System-wide multitouch that includes gesture support. This allows you to draw a ‘G’ on screen instead of scrolling through all your contacts to find names with ‘G’.
Text-to-speech support which allows Google Voice to be integrated to your gPhone
CDMA support. Despite CDMA being an anachronistic platform, the fact that it’s still the biggest network in America means Google needs to be able to support phones running on this technology from carriers such as Sprint and Verizon.