You can, of course, still stream movies from your computer or XBMC-based HTPC straight to your iOS device, albeit without transcoding—so at the moment 1080p playback is a little troublesome.
Recently we also tell you about how to install xbmc on atv2?. Now its time for iOS devices.
To install it, head into Cydia and go to Manage > Sources > Edit, and add
http://mirrors.xbmc.org/apt/iosas a new source. You can then head to the teamXBMC repository and install the XBMC-iOS package.
XBMC is a free download for jailbroken iOS devices. You can Install XBMC on iPhone/iPad from here.
Check out the video: