These sites have more information about using kinect on Android:
http://www.hirotakaster.com/archives/2012/01/how-to-build-openni-android-application.php
http://raymondlo84.blogspot.ca
This post he is using OpenKinect (free software) instead of OpenNI (proprietary) :
http://raymondlo84.blogspot.ca/2011/07/howto-using-microsoft-kinect-on-tegra.html