― Android is on of the smartphone operating system. With the short time, it has been more than 500 million Android devices have been activated worldwide and 1.3 million new Android devices activated each day. Google as the owner of this system will celebrate the android anniversary, fourth years old. ∙ Based on Kompas, the first version of this operating system is Android 1.0, it was released on 23 September 2008. After the first one was born, the next years is the improvement for varian [...].