Yes, I also think it is very strange to see an issue like that on a PSP game.
I found out that only the rendered 3D parts suffer from this issue. For example, when you're buying a car, the car model shakes, but the rest of the screen doesn't.
I found out that only the rendered 3D parts suffer from this issue. For example, when you're buying a car, the car model shakes, but the rest of the screen doesn't.

