if your game is installed running on your ps4, just activate the HEN exploit and / or FTP.
so you can:
1 - use any FTP client
or
2 - use ps4-explorer.pkg from
@Lapy installed on ps4 and transfer to a USB drive
The pkg of your games that are in:
Full game: user / app / CUSAXXXXX / app.pkg
Game upade: user / patch / CUSAXXXXX / patch.pkg
obs: cusa is the id of your game