Rental of computers and software; rental and maintenance of computer software; rental services in the field of computers and software for the creation, development, operation and testing of applications for mobile devices; platform as a service (PAAS) services featuring computer software platforms for mobile devices for use in the creation, development, operation and testing of software applications; software as a service (SAAS) services featuring temporary use of on-line non-downloadable software development tools for the creation, development, operation and testing of applications for mobile devices; maintenance and updating of computer software for others; computer software consulting services