Google has announced that the upcoming Android M is Android 6.0 Marshmallow. The third and final version of the Android M developer preview has also been released. Google not revealed the releasing date of latest Android M. Android 5.0 Lollipop is the last launched version of Android.
Linux kernel based Android mobile phone OS is currently developed by Google. Most of the mobile phones in the world is powered by Android OS. iOS is the main competitor of Android. Latest version of iOS is iOS 9.
Android versions are following an alphabetic order. Android 1.1 and 1.2 are not publically named. Commercial version of android starts with the version ‘Cupcake’. The versions are as follows.
4.0 Ice Cream Sandwich