CUSA14835 specifically identifies the European retail version of the game.
.pkg files are standard PlayStation package containers used for installing game data, patches, and add-ons. Game Highlights CUSA14835-DragonBallZKakarotDLCEURPKG-pkgps4dot...
The final chapter set at the end of Z with Uub. Context for "CUSA14835" CUSA14835-DragonBallZKakarotDLCEURPKG-pkgps4dot...
A massive story expansion covering the future timeline. CUSA14835-DragonBallZKakarotDLCEURPKG-pkgps4dot...
DLC for PS4 is region-locked. This package will only work if your base game's ID is also CUSA14835 . If you have the US version ( CUSA14601 ), this specific file won't be compatible.
You'll unlock "Ultimate" versions of classic moves (like the Ultimate Vanishing Ball or God Kamehameha).