It is very easy to use: 1) Get your ticket. 2) Present the ticket at the event. Available in Argentina: Buenos Aires, Cordoba, Tucuman, Santiago del Estero, Salta, Santa Fe. If you manage an event, disco or bar, you can add it up from www. TengoFree. Com. Look at our app for Managers. This say the newspapers about TengoFree: "The public relations of the clubs is digitized".