If you need a truly lightweight, portable, and retro game, consider open-source alternatives like OpenRW (a reverse-engineered GTA III/VC engine) once complete, or play classic abandonware that has been legally freed.
The distribution and downloading of "portable" versions of commercial software like GTA: San Andreas raises significant legal issues. main8comrockstargamesgtasaobb file portable download
on Android. This file contains the bulk of the game's assets, including textures, audio, and map data, and must be placed in a specific directory for the game to function. File Details & Requirements main.8.com.rockstargames.gtasa.obb Approximate Size : Typically over 1.7GB to 2GB If you need a truly lightweight, portable, and