If you experience lagging, it is recommended to enter the VSH menu (select button) and set CPU clock speed to 333/166mhz.
If you are looking for verified EBOOTs for the PSP, you are limited to the original top-down titles: Grand Theft Auto 1 Grand Theft Auto 2 3. PS Vita Homebrew gta san andreas psp eboot pbp verified
If you are looking to optimize your handheld gaming setup, let me know: If you experience lagging, it is recommended to
Disclaimer: Playing games on custom firmware is legal in many regions for backup purposes, but distributing copyrighted game files is not. If you experience lagging
Technical limitations were the primary reason a native port never materialized: