To get that crisp, console-grade look on your mobile or PC, you need to dive into the PPSSPP graphics menu. Default settings often prioritize compatibility over beauty, so these tweaks are essential:

For low-end devices, drop internal resolution to 2x and disable MSAA, but keep frame skip at 0 at all costs.

Playing through the PPSSPP emulator requires a bit of a workaround since there was never a native PSP release for this specific title. However, you can achieve an "extra quality" experience on Android or PC by either emulating the PlayStation 2 (PS2) version or using modern rhythm game alternatives designed for high performance. How to Get "Extra Quality" Performance