Adobe AIR (formerly Adobe Integrated Runtime) is a cross-platform runtime system developed by Adobe Systems for building desktop applications and mobile applications, programmed using Adobe Flash, ActionScript and optionally Apache Flex. The runtime supports installable applications on Windows, OS X and mobile operating systems including Android, iOS and BlackBerry Tablet OS. It also originally ran on Linux, but support was discontinued as of version 2.6 in 2011.

Source: Adobe AIR – Wikipedia