The FunKey S is a tiny retro handheld console based on the design of the Game Boy Advance SP. The device has garnered over US$100,000 in crowdfunding on Kickstarter and supports multiple emulators including ones for the Game Boy, Game Boy Color and the PlayStation 1.
https://www.notebookcheck.net/FunKey-S-Minature-handheld-console-storms-Kickstarter-with-over-US-100-000-in-funding.481468.0.html