As you already understood this script for the game Heist Tycoon. This script has a lot of very useful features, one of them is Walkspeed Slider, you can change your walkspeed.

Auto Sell is a function that automatically sells your items in the game. This function is very useful for players who want to save time and effort

Auto Skills is a feature that enables players to automatically use their skills in a Roblox game. This feature is particularly useful for players looking to level up their characters quickly by using their skills without having to manually activate them

This roblox script is universal, it is suitable for many games. This script support many functions, one of them called like: Rayfield Key System Print Key, it will Copies the key that you'd need to get to your clipboard