You do not need an OBB file. You need a good internet connection (5GHz Wi-Fi, 15Mbps+).
Several websites claim to offer GTA 5 Android OBB data download links. However, these links are not officially supported or endorsed by Rockstar Games . Downloading game data from unofficial sources poses significant risks, including: gta 5 android obb data download link
Launch GTA 5 from your Steam library to mirror the gameplay to your mobile screen. ☁️ Method 3: Cloud Gaming Services You do not need an OBB file
That being said, here's a general outline: here's a general outline: