In Poland, many of citizens have their own companies. They are offering video games on the internet, distributing healthy food, or having a SPA salon. But on the other hand, we have in here far bigger companies, which are employing dozens of workers. Plenty of them require to get any IT support, cause nowadays, it is hard to work without solid custom program. But where to get it? Do we have to employ an IT expert to protect this program after it is made? And what with android development, can we find any software for that?