In my review of AirFoil Speakers Touch 3.0, I wrote about AirPlay:
Ever since developers started reverse-engineering the AirPlay protocol that Apple introduced with iOS 4.2 in November 2010, we have seen all kinds of possible implementations of Apple’s streaming technology being ported to a variety of devices, for multiple purposes and scenarios. From tools to turn Macs into AirPlay receivers for audio, video, iOS Mirroring sessions, then a combination of all them, to more or less Apple-approved “AirPlay audio receivers” sold in the App Store, then pulled, then released in Cydia, the past two years have surely been interesting for AirPlay.
The past few months have indeed seen a surge of AirPlay-compatible desktop utilities and apps that take advantage of Apple's technology for audio and video streaming. From games enhanced with AirPlay to enable new controls and interactions, to several desktop utilities that are now connecting Macs and Apple TVs with AirPlay, there's plenty of options out there to beam images and audio to devices running iOS or OS X.
AirServer was one of the first applications to bring proper AirPlay support to the Mac, initially only with audio and video, then iOS 5 and Lion, and, around the time Reflection also came out, AirPlay Mirroring. Recently, the AirServer team made some major changes to the way AirServer handles AirPlay Mirroring (our overview) on OS X with multiple iOS devices, so I thought it'd be appropriate to give the app a second try. At the same time, I figured I hadn't used Reflection much since it came out two months ago; I installed both the latest AirServer and Reflection on my iMac and MacBook Air, and tested multiple iOS devices with AirPlay Mirroring enabled at the same time.