Do not just copy the .7z file into the obb folder. You must extract it.
After extraction, you should see a folder named something like com.ea.games.r3_row. Inside that folder is the actual OBB file (usually main.12.com.ea.games.r3_row.obb).
Instead of hunting for a “highly compressed” OBB:
OBB (Opaque Binary Blob) is Android’s standard format for large app expansion files. In Real Racing 3, the OBB file contains:
Why it matters:
Without the correct OBB file, the game will either:
