Samsung Galaxy S8, Apple iPhone 8 and Google Pixel 2 smartphones will reportedly have a common key feature, OLED display. According to reports, Galaxy S8 is expected to come with a flexible OLED display, while iPhone 8 will come with a curved display and Pixel 2 with a flat OLED screen. Notably, S8 will be launched in April, while the other two smartphones are expected to be released by the end of 2017.