Android is a Linux-based operating system designed primarily for touchscreen mobile devices such as smartphones and tablet computers. Initially developed by Android, Inc., which Google backed financially and later bought in 2005, Android was unveiled in 2007 along with the founding of the Open Handset Allianc a consortium of hardware, software, and telecommunication companies devoted to advancing open standards for mobile devices.
Right now mobile is nothing but a smart phone and that even, it should have the latest version android version in it. It is only then one can feel pride of saying aloud in a group that it is his mobile. Moreover there has been a lot of confusion as there are many android versions floating around for every now and then. For this reason there has been a lot of recent releases and that is even upgraded in almost all the recent released phones.Android has a lot of great features, including customization, open development, and tons of devices to choose from. One thing that�s a problem though is something called fragmentation. There are many recent changes in this version and so liked by one and all. Few of them were like the interface of the operating system has changed. This is right now very attractive and appealing to the users. Android applications are most useful in day to day life and here some description this version and downloads link.
Android 2.3: (Gingerbread) With a redesigned UI and support for integrated social networking and voice over IP calling, this is the lowest version of android I�d accept. This version includes 2.3, 2.3.x (x represents small improvements like 2.3.3)
Android 3.0: (Honeycomb) This version of android features another redesigned UI, primarily focused on tablet computers. This version also added USB support for plug-in devices like keyboards, joysticks and other devices. This version includes Android 3.0/3.1/3.2.x (once again, x represents small improvements like 3.2.6).
Android 4.0: (Ice Cream Sandwich) This is the latest version of Android, and includes an improved UI, optimized dual and quad core processor support. This is the version of Android you want, as it offers the latest Android experience. This version includes Android 4.0.x (x represents small improvements like 4.0.1).
Android Version 4.2