Then you don't have version 2.10. Version 2.10 explicitly uses main.210 . A 212 file indicates a newer (2.12) patch.
Secure the APK and OBB data files from a trusted source.
The technical necessity of the "APK and OBB" structure is worth noting. Unlike simple casual games that are small in size, San Andreas is a massive open-world game requiring several gigabytes of data. The APK serves as the application shell, while the OBB file contains the heavy assets—textures, audio, and 3D models. The optimization of these files in version 2.10 demonstrated how far mobile hardware had come. It allowed players to experience the full scope of Carl "CJ" Johnson’s journey—from a gang member returning home to a kingpin of a criminal empire—without the need for a constant internet connection, effectively making it a fully offline console experience on a smartphone.
If you want to dive deeper into the gameplay or technical side:
Rockstar released the "Definitive Edition" for mobile in late 2023 (via Netflix Games). Here’s a quick comparison: