Gives you the items and research so that you can SKIP the SPAGHETTI PHASE of the game and start building your base with some roboports and a logistics network immediately. So you don't have to look at ugly spaghetti for the first few hours of your game. It also gives you a power armor with some equipment and weapons. And a car.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.