Android KitKat support is now available for the Wandboard.
Runtime demo image: http://wandboard.local/images/downloads/android-4.4.2-wandboard-20140815.zip
Source code can be found at the following link: http://wandboard.local/images/downloads/wandboard_android-4.4.2_fullsource_20140815.tar.xz
Give it a try and let us know in the Wandboard community forums