The ADP 2 now appears on Google's Android Developer Site.ting they're testing new devices running Android 2.1.
The new phone on Google's site shows a Bravo-like HTC model labeled ADP 2 alongside the Android Dev Phone 1. Google offers no information about the ADP 2 on the site -- just the image -- but tweets indicate the phone Google staff is playing with is also a GSM-unlocked phone.
The unveiling of the Android distribution on 5 November 2007 was announced with the founding of the Open Handset Alliance, a consortium of 47 hardware, software, and telecom companies devoted to advancing open standards for mobile devices.Google released most of the Android code under the Apache License, a free software and open source license. (from WIKI)