Gameplay was where things got even more disappointing. The Turbo Booster consisted of an empty plastic case with some wires and a connector attached. You could use it to hold your other TurboGrafx-16 accessories, but that's about it. There wasn't even a cartridge to load, so the idea of playing games through it was just a joke.
Overall, the Turbo Booster was more of a marketing gimmick than an actual product. If you were looking for something to enhance your TurboGrafx-16 experience, there were far better options available, but if you wanted an empty plastic case to hold other accessories, then I suppose this would be the answer.