The 5.2 update brought several fixes that specifically benefit the PSP port:
To run SoRR 5.2 on a PSP-family device, you generally need a homebrew-enabled system. : streets of rage remake 52 psp
Ensure you have the correct EBOOT.PBP file that acts as the launcher for the BennuGD engine. v5.2 Improvements for Handheld Play introducing several technical and gameplay refinements:
: True native performance on original PSP hardware is limited; most modern "portable" users play the 5.2 port on the PS Vita using the BennuGD engine. streets of rage remake 52 psp
The v5.2 update is often considered the "ultimate" version of the project, introducing several technical and gameplay refinements: