HTC Dream was the first phone launched by Android
Samsung
HTC
Motorola is the company that has released the latest Android mobile phone.
Google Galaxy Nexus
Android.... And HTC
The HTC Evo Android phone was primarily launched as a flagship device for Sprint in the United States. It utilized Sprint's 4G WiMAX network when it was first released in 2010. While it might be possible to unlock the phone for use on other networks, the official carrier support was mainly through Sprint.
Htc g1
Droid
The second mobile was the htc magic but I don't know the first mobile with Android OS.
The latest Samsung phone is the Galaxy Nexus, which comes with a seven inch screen and runs the Android operating system. It was launched in April 2013.
Yes the GT540 is a android phone. it is the new android 2.1 phone from LG.
Micromax