The deployment and use of several different versions of the same mobile operating system during the same period of time.

MDM refers to any routine or tool intended to distribute applications, data and configuration settings to mobile communications devices, such as laptop computers, cell phones and PDAs.

A type of short-wave analog or digital telecommunication in which a subscriber has a wireless connection from a mobile telephone to a relatively nearby transmitter.

A development environment that provides tools and middleware for developing, testing, deploying and managing corporate software running on mobile devices.

A mobile game is a video game played on a feature phone, smartphone, PDA, tablet computer, portable media player or calculator. This does include games played on dedicated handheld video game systems such as Nintendo 3DS or PlayStation Vita.

Game applications played on a feature phone, smartphone, PDA, tablet computer, portable media player.

A platform that provides guidelines for game developers to built mobile apps according to the guidelines and host on the platform for users to download and play.

A small Internet communications unit designed to provide entertainment, information and location-based services for the consumer market. The MID is a larger form factor than a handheld device but smaller than the Ultra Mobile PC (UMPC).

An Internet Engineering Task Force (IETF) standard communications protocol that is designed to allow mobile device users to move from one network to another while maintaining their permanent IP address. 

A protocol developed as a subset of Internet Protocol version 6 (IPv6) to support mobile connections. 

The promotional activities designed for delivery to cell phones, smart phones and other handheld devices, usually as a component of a multi-channel campaign.

A software that connects disparate mobile applications, programs and systems. It hides the complexities of mobile environments, allowing smoother device-to-device interaction, mobile-computing integration and mobile application development.

The multitasking abilities on mobile devices that allows the device to handle/run more than one task/application at one time.

An Internet-connected device whose location and point of attachment to the Internet may frequently be changed. This kind of node is often a cellular telephone or handheld or laptop computer, although a mobile node can also be a router. 

A service that allows a cellphone or smartphone customer to change telecom carrier and keep the same phone number.

A software that allows smartphones, tablet PCs and other devices to run applications and programs. A mobile OS starts up when a device powers on, presenting a screen with icons or tiles that present information and provide application access.