Looks like there will be physical PS4 version of Master Collection

Metal Gear Solid: Master Collection Vol. 1 adds PS4 version - Gematsu

Signalis - PlayStation 4 : Ui Entertainment: Video Games

Hands-on report: Metal Gear Solid: Master Collection Vol.1, Super Crazy Rhythm Castle, and more – PlayStation.Blog

Playasia - [ALERT!!] Ninja Gaiden: Master Collection PS4 Version Asian Exclusive with English language support is now available for pre-order! Pre-order here: >

My PlayStation 5 Game Collection In 2023 Is Absolutely Insane!

This bad boy just came in the mail : r/ninjagaiden

Original Tomb Raider Trilogy Remastered on PS5, PS4, Pre-Order Available Now

METAL GEAR SOLID: MASTER COLLECTION Vol.1 PS4 & PS5

Anyone know why master collection didn't get a physical release in NA? : r/ninjagaiden

Ninja Gaiden Master Collection (PS4) Unboxing

Minecraft Starter Collection - PlayStation 4 : Solutions 2 Go Inc: Video Games

NINJA GAIDEN: Master Collection

Hands-on report: Metal Gear Solid: Master Collection Vol.1, Super Crazy Rhythm Castle, and more – PlayStation.Blog