Connect, Play & Share. Three simple steps to become the best juggler Connect your INSAIT S2 Smart Football to your phone via Bluetooth to this app. Play and improve your football skills every time and everywhere. INSAIT S2 Football is loaded with advanced sensors that will help you track your football skills and the evolution you achieve! Share and challenge your friends and family! Insait S2 keeps the record of your training sessions so you can quantify your evolution, also allows you to share your best results via social media with friends and even with your coach.