A method of presenting the user with a picture from the screen of a smart phone or tablet at a wide angle of view, consisting in that fixing a smart phone or tablet on the head in front of user's eyes, mounting the smart phone screen in front of the user's eyes to the line of sight, providing an optical means for obtaining an image sharpness, displaying an image which is the one selected from the group consisting images, videos, virtual space, or other applications.
A method of providing sound to each of the user's ears in a virtual reality application, consisting in that mounting stereo headphones on the user's head, calculating a sound level provided for each of the user's ears so as the sound propagated and attenuated in a real space with the corresponding position and orientation of the user in regard to the sound source.