Watch your favorite HD videos without wearing your batteries down immediately with the latest software 4K from Kogakuin University and Fujitsu from Japan. This software aims to decrease the power level consumed by smartphones when playing ultra HD videos. It has the ability to display Ultra HD at 30 frames per second (fps) and is expected to increase by 60fps in the future. Currently, Xperia Z5 is the single smartphone in the market that can support 4K screen. But it is expected to change in the future with the latest tech from Kogakuin University and Fujitsu. The software is on its early stage but will be developed for a simpler and cheaper version.