B1 App is the perfect destination for burger lovers! The app allows you to order a burger customized to your liking, choosing your favorite ingredients. Enjoy an easy and fast ordering experience, where you can track the status of your order in real-time until it is ready for pickup. The B1 app is the perfect destination for burger lovers! The app allows you to order a burger customized to your liking, choosing your favorite ingredients. Enjoy an easy and fast ordering experience, as you can track the status of your order in real time until it is ready for pickup.