Downloading a highly compressed OBB file for Real Racing 3 is a gamble. While it can save you data on the initial download, the risks of corrupted files, crashes, and security threats are high.
When you download Real Racing 3 from the Google Play Store, the APK (the installer) is relatively small (around 50-80 MB). Once you open the app, the game downloads the OBB file (the "Additional Data") directly to your device's storage under Android/obb/com.ea.games.r3_row . real racing 3 obb file install download highly compressed