It can scale up original 3D game models to twice their baseline resolution. This feature smooths out pixelated polygons on modern high-definition displays.
While was a highly stable and industry-leading version of the emulator for years, it is no longer the most current build. If you are looking for a review of this specific version, The Verdict: Is Version r2.5.2.2a Still Good? drastic r2.5.2.2a apk