The Samsung G400 is part of the “Soul Active” range from Samsung. Features are plentiful, with loads of cool and useful attributes to the G400.The external screen measures 2.2 inches, but it is a touchscreen. It is easy to use and after a few minutes it becomes second nature as you play with it more and more. It is also fairly sharp with a 240 pixel by 320 pixel screen resolution. While the internal screen is a TFT with the same size 2.2 inches as the external screen.