Review and (Playstation 1 and nintendo 64) stress test for the below 90$ anbernic rg-350 open source retro game emulation handheld, the spiritual successor of the GCW zero.
I also demonstrated how to add apps to your RG350.

Get the RG350: https://retromimi.com/collections/handhelds/products/retro-game-350-rg350-game-console?aff=85

RG350 megadrive/genesis test: https://www.youtube.com/watch?v=IIczk30ob1A
RG350 SNES/famicon test: https://www.youtube.com/watch?v=PhaBUIxIJVU&t=18s

To find out how to update and add apps to this handheld visit:
https://retrogamehandhelds.com/RGH/Retro/

source