Here are Android OS version revolutions: Android 1.0 (API level 1 – September 2008) Android 1.1 (API level 2 – February 2009) Android 1.5 Cupcake (API level 3 – April 2009) Android 1.6 Donut (API level 4 – September 2009) Android 2.0 Eclair (API level 5 – October 2009 – May 2010) Android 2.2 Froyo… Read More