EV(Electric Vehicle) so far, has been designed as solution to save energy and space. New EV concept ‘NULL’ is not only designed to save but also to have high consumer appeal by fashionable and affordable way. Null was inspired by smart phone industry based on the open-source marketing of app store. Null has a docking system on its back where the physical apps(functional modules) are docked into, so users can customize their vehicle according to their lifestyle by small change. Apps can be produced by various suppliers because they have the standard specification. This is exciting new opportunities for automobile industry to establish a clean and creative design for the future society.