Software authoring; Software design and development; Software development in the framework of software publishing; Software porting; Computer software consultancy; Computer software consultation; Computer software design; Computer software design and updating; Computer software design, computer programming, and maintenance of computer software; Computer software development; Computer software installation and maintenance; Computer hardware and software design; Computer programming and software design; Copying of computer software; Customizing computer software; Developing and updating computer software; Developing computer software; Image processing software design; Maintenance of computer software; Smartphone software design; Testing of computer software; Updating of computer software; Updating of smartphone software; Upgrading of computer software