The different versions

•1.0 : No name(1) (Fin 2007)

•
1.1 : Petit Four (October 2008)

•1.5 : Cupcake (April 2009)

•1.6 : Donut (September 2009)

•2.0 : Eclair (September 2009)

•2.2 : Froyo (May 2010)

•2.3 : Gingerbread (December 2010)

•3.0 : Honeycomb (February 2011)

•4.0 : Ice Cream Sandwich (Octobrer 2011)

•4.1 and 4.2 : Jelly Bean (July 2012 and November 2012)

•5.0 : Key Lime Pie (May 2013 ?)

(1) : informally Apple Pie