Regarding your report on it is important to clarify that this term is widely associated with scams and malware .
Even if you find actual PS4 PKG files:
To emulate a modern console, you need a high-end system with specific configurations: : Windows 10/11 (x64), macOS 11+, or Android 10+. : At least a 4-core processor supporting SSE-4.2 and AVX. : Must support DirectX 11.1 and Pixel Shader Model 5.0. Pcsx4 Games Download