Android was first released on 5 November 2007 until today more and attract attention and public confidence in the world to serve as the Operating System (OS). The main option besides ios OS-made Apple products. And defeat the domination of Symbian, or current trends Blackberry - as well as a dark horse such as Windows mobile 7, WebOS hp, Samsung's Bada, or Linux Maemo. Here are 20 reasons why we should choose the Android phones.