: Locate your com.rockstargames.gtasa.zip in your downloads folder. Use your file manager to "Extract" the contents. Move to the OBB Directory :

: First, install the GTA San Andreas APK file. Do not open the game yet after installation.

When you extract this file, you will typically find a folder named com.rockstargames.gtasa containing two primary OBB files: : The core game assets.