This program allows you to easily install custom vehicles and mods. The modded things are included in mod apk file not in obb file. Q.2 Is the OBB File is same for mod apk as well normal apk? Yes, The OBB File is same for both versions. Download Mod Apk + OBB file and just install it to mod. Free Download Gta Mod Installer V5 0 Beta.