In Poland, many of people have their own firms. They are selling computer games on the web, distributing organic fruits, or having a SPA salon. But also, we have in here a lot larger firms, which are employing hundreds of workers. Plenty of them need to get any IT support, because at the moment, it is difficult to labor without good bespoken program. But how to get it? Do we need to employ an IT expert to protect this program after it is made? And what about android development, can we get any software for that?