It used custom libraries like vitaGL to handle rendering, fixing bugs found in the mobile version, such as broken facial expressions and lighting issues. Comparison of Technical Approaches PSP Homebrew (SAS) PS Vita Port (TheFlow) Engine Modified RenderWare (LCS/VCS) Native Android wrapper Map Partial (Los Santos only) Full San Andreas Map Performance Significant lag/crashes Stable 30-60 FPS with vitaGL Source
The answer: blurry, buggy, and absolutely wonderful. gta san andreas psp homebrew