Citrix Receiver 1.2
the author of this app says:
Citrix Receiver for BlackBerry delivers enterprise computing as a service. Use your BlackBerry smartphone to access Windows applications, desktops and files hosted in your corporate XenApp environment. Send only keyboard input, screen gestures and screen updates keeping corporate data secure.
XenServer with XenApp required. BlackBerry smartphone operating system 4.6.0 or higher.