JB4 Instructor is a free Android app developed by Rdz Development, which serves as a mobile guide to help you understand every menu and function of your JB4 piggyback from Burger Motorsports. It falls under the Travel & Navigation category and is an essential tool for car enthusiasts who want to exploit all the features of their JB4 piggyback and get the best performance from their vehicle.

The app allows you to navigate through the menus displayed in the speedometer and rev gauge, and read what every function does for a better understanding. JB4 Instructor is designed to be as simple as possible to use, and it feels similar to using your steering wheel controllers. It's important to note that JB4 Instructor is not affiliated with Burger Motorsports, but it is an excellent tool for anyone who wants to get the most out of their JB4 piggyback.