Motorola Rizr rollable concept phone design, features Motorola Rizr rollable concept phone There is a 5-inch POLED screen with 15:9 aspect ratio that can be rolled up to make a 6.5-inch screen with 22:9 aspect ratio. When it is not rolled up, the rear screen will serve as a second screen. The Always-On Display (AOD) shows date, time and weather on the secondary display, which can show notifications....