You could download it via iTunes: http://itunes.apple.com/us/app/ttv-camera-for-ipad-2/id434160696?mt=8
What’s the difference between this app and TtV Camera for iPhone?
– With the powerful A5 chipset, we could output the full resolution photo at iPad 2 (1280X1280 for back facing camera)
– The preview video is also up to 768X768 with 30fps
– New UI design and support 4 Orientations
We wish you enjoy the TtV photo fun at iPad 2. :-)