TfL launches Oyster mobile ticketing app; begins consultation on cashless trams, UK September 7, 2017 | Europe Company News Transport for London (TfL) has launched the mobile ticketing app, TfL Oyster, developed by Cubic Transportation Systems (CTS). The app allows Oyster card customers to manage their fare payments, top u... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password