It actually does have uprezzed visuals. Even compared to running it at the same resolution in PCSX2, there are improvements to the visuals. Plus the PS4 version runs in 60 fps compared to the PS2 version so it is an improvement. HD textures + higher fps and resolution = remaster. You could argue that the PS2 version was 60 fps but if it was, it was a forced 60 fps which made it more choppy unlike the remaster which is much smoother
You can just open the case, take out the hard drive, and then you have an internal HDD
After that, you can place your current PS4 HDD into the case where the 4tb hard drive was and use it as an external one
Yakuza Kiwami for me
"To play on the go"
How to play a multiplayer online only game without Internet?