I just read on the German news service Golem that Koolu created git repository with Android sources and patches for Openmoko. The German article can be found here.
This allows to run the Android OS on the Openmoko phone Neo Freerunner. Openmoko itself has a similar approach compared to Android. It is also open source and is licensed under the GNU GPL. So if you are interested to check that out below are all the links you need:
P.S.: If you have anything to share please feel free to drop us an comment here 🙂