As everybody knows, smartphones (rarely will anybody use the words mobile phone and cell phone now!) are hot-selling products. Obviously, with the way consumers thronging showrooms and expos associated with such talk devices. Talk device? Not really. People seem to use their smartphones rarely for the reason it was first popular, namely calling up people. It is now more of a device for texting messages and browsing the Net. And oh, yes ~ let's not forget that all-important function: using it for apps. This one functionality of the smartphone has created an entire market, not to mention generating employment for those associated with creating, designing and marketing the apps. It is not just apps for games and music, but also for investments, sales, matrimony, etc. There is thus a lucrative career for anybody aiming to become a developer in mobile applications.