A for God of War 2 is technically possible for download, but it is not the full original game .
If you want legal alternatives, I can:
Many original PS2 discs included "dummy data" to push game files to the outer edge of the disc for faster reading. Modern ISOs strip this data, which alone can reduce the size by several gigabytes without losing any game content. How to Set Up God of War 2 on Android A for God of War 2 is technically