Almost everyone contemporarily, except people from the older generation and toddlers, has and is able to use various electronic devices. The most influential reason why it is so, is that they are designed in such way that a lot of people learn to use them using only their intuition. That’s the reason why, in most of them diverse courses or even reading the user’s manual is unnecessary. Demand on similar products is still increasing, which can be explained thanks to the fact that they provide us a chance to solve different tasks much faster and comfortable.