A low power e-ink screen on one side for reading e-books and the like, an ordinary screen on the other for video, games and other things which need low latency

A low power e-ink screen on one side for reading e-books and the like, an ordinary screen on the other for video, games and other things which need low latency and full color. It's been tried a few times but never really took off: https://www.eink.com/mobile-wearables.html?type=application&id=3 https://www.eink.com/mobile-wearables.html?type=application&...