Each telephone has an operating system. A lot of people are talking about which of them is the greatest. However, nothing different but applications will help in picking the phone. For a lot of persons this is the basis of the phone. The first alternative is telephone software named Android. It dominates mainly in mobile phones from HTC and Samsung. It is characterized by a big quantity of gratuitous applications. Android development is possible mainly through phone customers. They can design their own apps and sell them on the network.