What is android?

Android is the operating system used in smartphones and tablet PCs. Functions the same as in the Nokia Symbian operating system, IOS on Apple and the BlackBerry OS.
Android is not tied to one brand of mobile phones only, but several well known vendors who have been using Android, among others, Samsung, Sony Ericsson, HTC, Nexus, Motorola, and others.
Android was first developed by a company called Android Inc.., And in 2005 the acquisition by
Internet giant Google. Android is made on the basis of the Linux kernel that has been modified, and for each of its release code-named by the name of the food dish.
The main advantage Android is free and open source, which makes Android smartphones sold cheaper than the Blackberry or iPhone even though the features (hardware) has to offer Android better.
Some of the main features of Android include WiFi hotspots, Multi-touch, multitasking, GPS, accelerometers, support java, supports most networks (GSM / EDGE, iDEN, CDMA, EV-DO, UMTS, Bluetooth, Wi-Fi, LTE & WiMAX ) as well as basic capabilities mobile phones in general.