Getting some great results from PPSSPP on RetroPie on the new Raspberry Pi 3b+! Psp emulator. Some games do play at 60FPS but I tend to get more issues on those particular games even with specific frame skipping options. But overall I am excited to finally be really messing around with the Sony PSP emulator!
Raspberry Pi 3B+ Plus PPSSPP RetroPie Test & Settings! PSP Emulator