If you are looking for a "paper" (technical guide or documentation) on how these trainers function, they typically work by injecting code into the game's memory (RAM) to modify specific values while the application is running. FLiNG Trainer - PC Game Cheats and Mods

The Crew Fling Trainer is a compact, user-friendly tool designed to help crews practice coordinated toss-and-catch drills safely and efficiently. Ideal for sports teams, theater stage crews, and emergency-response units, it focuses on timing, communication, and precision.

In the gaming world, a is a program that runs alongside a game to modify its memory. For a massive game like The Crew , the FLiNG Trainer (example for The Crew 2) typically offers features like: Infinite Nitro: Unlimited boosting to win races easily.