A portable wireless telecommunications device has electronic computer visual display includes at least one central display screen and at least two additional screens respectively disposed foldably to the right and left of said central screen, for displaying simultaneous, multiple images to a user. The foldable display has at least two mutually connected foldable sub-display units, and it includes a user attachable and detachable connector, for user-assembling of the sub-display units into mutual connection with each other. Each of the two sub-display units have user-deployable supports (e.g. a rigid angular support member) for maintaining the sub-display units in an upwardly projecting disposition during use.