Great bro! And thank u @WR1334
2. Android
Android was created by Andy Rubin the founder of Android Inc.
Andy founded the company in October 2003 and Google bought the company in the year 2005 and hired Andy Rubin to head the Android.
Android is a Linux based OS,, and a open Handset.. it is the most popular and used by most of the peoples in the world , bcoz of their simplicity. this android is Developed by the Google Dev. 900 million devices with this OS..