In Poland, a lot of citizens have their own firms. They are selling computer games on the internet, distributing organic fruits, or having a SPA center. But on the other hand, we have in here much bigger companies, which are employing hundreds of people. Plenty of them need to get any IT backup, because nowadays, it is hard to labor without solid bespoken software. But where to get it? Do we need to employ an IT expert to protect this program after it is done? And what with android development, may we get some software for that?