ClockworkCoder
Chaotic Neutral
Not a retro gaming device, but this open source project with an e-ink screen, keyboard and clamshell design, reminiscent of old PDAs looks pretty interesting:
github.com
GitHub - ashtf8/EinkPDA: An E-Ink PDA device using the ESP32 S3.
An E-Ink PDA device using the ESP32 S3. Contribute to ashtf8/EinkPDA development by creating an account on GitHub.