Online retail store services featuring software applications in the field of computer-simulated reality technology; Retail store services featuring software applications in the field of computer-simulated reality technology; Online retail store services featuring streamed or downloadable pre-recorded game software; Advertising services, namely, dissemination of advertisement via an on-line electronic communications network; Arranging and conducting sales events; Sales promotion; Advertising, marketing and promotion services; Online trading services, namely, operating online marketplaces, e-commerce websites or portals for manufacturers, distributors, retailers or other suppliers to conduct business with customers of goods and services by, including but not limited to, using software applications and apparatus related to computer-simulated reality technology; Online trading services that direct sellers to consumers on e-commerce platform by, including but not limited to, using software applications and apparatus related to computer-simulated reality technology; Online trading service in which sellers post goods or services offered for sale, and purchase is done via the internet by, including but not limited to, using software applications and apparatus related to computer-simulated reality technology; Providing online business platform for trading of goods and services of others by, including but not limited to, using software applications and apparatus related to computer-simulated reality technology; Systemization of trading information into computer databases; Commercial and industrial management assistance