How the world’s first foldable phone was built at CES 2019 Unless you're (for some reason) a fan of personal cinema headsets, you almost certainly haven't heard of Royole. That's OK -- founder and CEO Bill Liu wanted it that way. Unbeknownst to most of the world, Royole has quietly been working to pioneer and perfect its own flexible screens since 2012, and its new FlexPai smartphone represents something of a coming-out party. Before we go any further, though, we need to get a few things straight. Yes, this is a real product that you can buy right now. Yes, this basically unknown company beat Samsung to market with a foldable smartphone. And yes, it actually works. Read more: https://engt.co/2FgpbKW Subscribe to Engadget on YouTube: http://engt.co/subscribe Engadget's Buyer's Guide: https://engt.co/2A8xvt2 Get More Engadget: • Like us on Facebook: http://bit.ly/1k1iCZT • Follow us on Twitter: http://www.twitter.com/engadget • Follow us on Instagram: http://bit.ly/1...