ALPHA 1.0 (Astro Boy) & BETA 1.1 (Bender)

(2007-2008)

The first two Android OS were pre- commercial release. After Alpha was released, the Beta version was was released on November 5, 2007. November 5 was considered as Android's birthday.

Cupcake 1.5

(April 2009)

It's the first version to use Google's "sweet" naming convention

Donut 1.6

(September 2009)

The world's information is at your fingertips – search the web, get driving directions... or just watch cat videos.