Computer hardware [ and downloadable computer software ] for management of mobile devices and mobile device applications; computer hardware [ and downloadable computer software ] for management of technician access to and engagement with mobile devices and mobile device applications for testing of the devices and applications; a multi-tenant appliance comprising computer hardware [ and downloadable computer software ] for managing mobile devices, mobile device applications, and technician access to and engagement with mobile devices and mobile device applications; downloadable computer software for managing groups of mobile devices, mobile device applications, and mobile device users; downloadable computer software for grouping mobile device users and devices into communities to segregate the mobile device applications and data of one community or group from the others and to control access to mobile device applications and data; downloadable computer software for testing mobile device applications; [ downloadable computer software for analyzing, developing, reviewing, monitoring, and testing software applications for use on mobile electronic devices; downloadable computer software for analyzing and testing functionality and compatibility of application software for use on a plurality of mobile devices; ] computer hardware [ and software ] systems for managing devices; computer hardware [ and software ] systems for managing and testing mobile device applications on mobile devices; computer hardware [ and software ] systems for providing secure, comprehensive management of mobile devices, mobile applications, tester access, and tester activity; computer hardware [ and software ] systems for providing secure, comprehensive management of mobile devices, mobile applications, and providing geographically distributed employees with remote access to mobile devices