Capcom have not indicated that the Resident Evil 4 Remake will be on PS4, and it will probably be PC, PS5 and Series X exclusive.
Resident Evil 4 REMAKE - Sony PlayStation 4 / PS4 - (Brand NEW Factory Sealed) - FREE SHIPPING
Resident Evil 4 REMAKE - Sony PlayStation 4 / PS4 - Brand NEW Factory Sealed
Resident Evil 4 Remake Review - Stranga, Stranga, Now That's A Remake - GameSpot
Resident Evil 4 Remake PS4 Custom PS1 Inspired Case
Resident Evil 4 Remake Leon POSTER PS5 PS4 XBOX Series X MADE IN USA - NVG408
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Resident Evil 4: Here's What Comes in Each Edition - IGN
PS4 RESIDENT EVIL 4 REMAKE (2023) UK by machinehead109 on DeviantArt
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Everything you need to know about the Resident Evil 4 remake - Soundsphere magazine