Users generally find the GUI intuitive. You load a PS2 ISO, and the tool handles the "wrapping" of the game into a PS4-readable format. Customization:
provides a selection of PS2 games that are already optimized with features like upscaling and trophy support. ps2 to ps4 pkg download
The PS4 does not natively play PS2 discs. Instead, it uses a software emulator. When you download a "PS2 Classic" from the PlayStation Store, you are essentially downloading a file that contains the original PS2 game code wrapped inside a PS4-compatible emulator shell. Users generally find the GUI intuitive