Kangaroo is a portable, phone-sized Windows 10 desktop
 

As convenient as a PC-on-a-stick may be, it's typically saddled with some major limits: you rarely have more than one port, and you always have to plug into a power source. InFocus (yes, the projector company) thinks it has a better idea, though....

http://www.engadget.com/2015/10/26/infocus-kangaroo-pc/