I just had to share this. Not sure how practical or useful it would be, but it is still cool.
"SHOWWX+� HDMI is compatable with number of mobile devices that provide HDMI connectivity and support videomirroring, makes it possible to project and share what'son the host display. What you see on the host mobile deviceyou can project!
BlackBerry� PlayBook� - under HDMI settings turn HDMI audio to offand set resolution to "Fill""