AndAR is an open source library to assist with Augmented Reality on the Android platform.
AndAR is an Android library by Tobias Domhan and Raghav Sood to help developers create augmented reality enabled apps on Android.
It relies on the ARToolKit by ARToolWorks.
The whole project is released under the GNU General Public License. This means you can freely use it in any of your projects, as long as you license them under the same license, this means the GPL. As it is a Open Source project any code contributions from you are welcome. ARToolworks offers commercial licensing for the underlying ARToolKit.