Anyone with a properly configured Citrix XenApp environment can download the Citrix Receiver and access authorized company apps from their iPhone today ! Now is the time to start testing the iPhone in your environment, look for ways to increase productivity, and have some fun.
Note: Works with Wi-Fi or 3G connection, Citrix XenApp and XenApp Web Services, Windows applications hosted on Citrix XenApp. And the Citrix XenApp secure application feature is not supported with this Technology Preview Release.
Also watch this Citrix Receiver video from Chris Fleck.