An artist has produced a cyberdeck based on the Raspberry Pi. The Cyberdeck RA01 also contains a keyboard, a joystick and a display, among other components.
https://www.notebookcheck.net/Cyberdeck-RA01-A-DIY-Cyberdeck-based-on-a-Raspberry-Pi-that-can-be-used-on-the-move.551064.0.html