Android 4.4http://www.forbes.com/sites/roberthof/2013/10/31/google-aims-at-next-billion-smartphone-users-with-new-android-nexus5/?utm_campaign=forbestwittersf&utm_source=twitter&utm_medium=social by sheikhimran01 • 13 years ago 1 0 13 years agoFOforbes.com