The RG280V is Anbernic's latest handheld games console, and its smallest to boot. The RG280V runs on OpenDingux and should be powerful enough to emulate N64 and PS1 games smoothly.
https://www.notebookcheck.net/Anbernic-RG280V-Compact-handheld-console-presented-with-a-large-screen-and-an-array-of-buttons.500948.0.html