Many emulation purists argue that the actually runs better than the original PC plugin on comparable hardware, thanks to these mobile-first patches.

If you downloaded the .so file manually, follow these steps to activate it:

: Offloading graphics to the GPU can lead to more stable frame rates on modern hardware, like the Retroid Pocket Classic Shaders

While some versions of ePSXe come with an internal OpenGL renderer, many enthusiasts seek out "exclusive" or optimized versions of the .so file to ensure compatibility with specific Android architectures (like ARMv7 or ARM64).

Copy the downloaded file to your device's internal storage or SD card.