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Computer software development; Design and development of software in the field of mobile applications; Design, development and implementation of software; Development, updating and maintenance of software and database systems; Electronic storage services for archiving electronic data; Installation and maintenance of computer software; Installation, maintenance and repair of cell phone related software; Installation, maintenance and repair of computer software; Installation, maintenance, and updating of computer software; Installation, repair and maintenance of computer software; Smartphone software design; Updating of smartphone software