Since you can't swap the entire OS, you have to optimize the emulator settings inside the stock firmware:
The story of custom firmware (CFW) (a budget "Switch-clone" handheld) is more of a community-driven quest than a success story . While devices like the Miyoo Mini PowKiddy V90 have thriving firmware scenes, the remains a "locked" mystery for most users The "Why" Behind the Hunt x20 mini custom firmware top
Some popular custom firmware options for the X20 Mini include: Since you can't swap the entire OS, you