DSLR Controller - Android + Canon EOS - LiveView

DSLR Controller is the first and only app that will allow you to control your Canon EOS DSLR from a compatible Android device over USB. You need a Honeycomb tablet or an SGS2 (with KG1 or newer firmware) and a USB host (OTG, On-The-Go) cable / adapter for this.

It is now available from Market (desktop link):


Also see the discussion thread on XDA-Developers.com: