Developing and updating computer software; Developing computer software; Software development and product development in the field of Blockchain and Game applications; Software development in the field of Blockchain and Game applications; Software development in the framework of software publishing; Software design and development; Computer software development; Computer software development in the field of mobile applications; Computer software development in the field of Blockchain and Game applications; Computer software development, computer programming and maintenance of computer software for Blockchain and Game applications; Design and development of software in the field of mobile applications; Design and development of computer software; Design and development of computer software for Blockchain and Game applications; Design and development of computer game software and virtual reality software; Design, development and implementation of software; Design, development, and implementation of software for Blockchain and Game applications; Designing and developing computer game software and video game software for use with computers, video game program systems and computer networks; Research and development of computer software