Kibicujemy is an app on a technology that is revolutionizing the world of sports and show business. It is a new, proprietary technology used to synchronize the operation of thousands of mobile devices at the same time. How does it work? Every sport fan has a smartphone. The app synchronizes all users' phones. Each phone can be used as a tool for audience entertainment.Thanks to the app, it is possible to perform among others: karaoke on phones, light shows using synchronized flash lights, sending information and messages directly to users, synchronous display of images on phones. The app also gives many advertising options - both before and after the event. The app is available for Android and ios devices.