Downloadable computer application software for smartphones for in-vehicle simple payment; computer e-commerce software; remote control apparatus; electronic keyless entry system for automobiles; downloadable computer application software for smartphones for providing remote vehicle diagnosis, vehicle management information, audio-visual display for in-vehicle entertainment, in-vehicle third-party communication, navigation function and audio-visual display in vehicle; downloadable computer application software for smartphones to provide vehicle driving record information, parking location management, travel information, vehicle condition management, driving information and third party publicity data for drivers; downloadable computer application software for smartphones to collect and analyse data relating to in-vehicle entertainment and infotainment, driving history of communication system and driver's behavior, vehicle setting preferences and usage; self diagnostic apparatus for operation record of automobiles; downloadable computer application software for smartphones to track and monitor car speed, driver information and vehicle diagnosis data; computer application software for smartphones for starting vehicle, vehicle remote controlling air conditioning, searching vehicle location and controlling vehicle door opening and closing; computer application software for voice messages; computer software to enhance the audio-visual capabilities of multimedia applications, namely, for the integration of text, audio, graphics, still images and moving pictures; downloadable computer application software for smartphones accessible to in-vehicle systems; computer software for electronic control systems of vehicle; computer software for controlling the operation of audio and video devices