Historically, emulation on consoles has been challenging due to the proprietary nature of console hardware and the legal hurdles surrounding the distribution and use of ROMs. The technical feasibility of running a GameCube ROM of Resident Evil 4 on a PS4 hinges on several factors:
Encouraging the release of classic games on modern platforms through official channels can mitigate the need for emulation and ROMs. resident evil 4 ps4 rom