Software design and development; Software development in the framework of software publishing; Software porting; Computer software design; Computer software development; Design and development of software in the field of mobile applications; Design and development of computer software; Design and development of computer game software; Design and writing of computer software; Developing computer software; Maintenance of computer software; Research and development of computer software; Services for updating computer software; Smartphone software design; Updating of computer software; Updating of smartphone software; Writing and updating computer software