The most famous version is a fan-made conversion. Modders took the original PC/PS2 map of San Andreas and ported it into the engine of GTA: Vice City Stories.
Let’s clear the air first. Rockstar never officially released GTA: San Andreas Stories for the PSP. gta san andreas stories psp iso
The two canonical "Stories" games are:
A San Andreas Stories was planned but shelved due to hardware limitations. The PSP simply struggled to render the massive, three-city map of San Andreas without severe lag. However, the internet is flooded with search results for "GTA San Andreas Stories PSP ISO." What are people actually downloading? The most famous version is a fan-made conversion
Many ROM sites simply mislabel GTA: Vice City Stories as San Andreas Stories to bait clicks. A San Andreas Stories was planned but shelved