Leather Double Phone Case, Dual Phone Case for Work and Personal - Etsy
Amazon.com : Dual Device Tripod, Monopole, Hand-Grip Mount Adapter for Live Video and Photography with Multiple Devices. Compatible with Most Smartphones: iPhone, Samsung Galaxy, Android, Google, etc : Electronics
Best Dual Screen Phones So Far - Smartprix
Unihertz Tank 2 smartphone has a 15,500mAh battery and a built-in laser projector - Liliputing