It has developed a smart application “Sonte Film” which allows you to adjust the level of darkness of the windows using any smartphone with an iOS or Android via wireless channel WiFi. According to the developer – the film is not expensive to produce and very easily glued to ordinary glass. The light transmittance of the film ranges from 70% to 5%. It can even be used as a canvas for the projector to watch any movie, play your favorite video game and more. Depending on the size of the cost of the film sheet 65 to be 375 dollars. First deliveries are expected in September this year.