42 Design and development of application software for mobile phones; user authentication services using single sign-on technology for online software; Technical research; design and planning services relating to telecommunication equipment; research in the field of telecommunications technology; design and development of multimedia products; quality control for others; engineering services; research and development of new products for others; product quality testing; cloud computing services; design, maintenance, development and updating of computer software;installation, maintenance and repair of computer software; computer design; Advisory and information services relating to the design and development of computer hardware; Advisory and consultancy services relating to the design and development of computer hardware; computer programming;computer programming services; consultancy and information services relating to computer programming; development of computer software;computer software design; computer virus protection services; research in the field of artificial intelligence; software as a service; platform as a service; industrial design; graphic arts design; providing search engines for the internet