Of the devices that have accessed the Marketplace, about 55% run 2.1: http://developer.android.com/resources/dashboard/platform-versions.html http://developer.a

Of the devices that have accessed the Marketplace, about 55% run 2.1: http://developer.android.com/resources/dashboard/platform-versions.html http://developer.android.com/resources/dashboard/platform-ve... I have no idea how many of those devices shipped with 1.x and were upgraded, or shipped with 2.1 installed.