Getting Android Dalvik "Hello world" app running on Harmattan
Thomas Perl has been working on getting Android applications to run from within Harmattan using the Dalvik VM from Nitdroid. Thomas gives detailed instructions on how this was acheived and shows an example program running. He mentions in the comments that he is not really interested in taking the idea any further at this point, but gives some starting points in case someone wants to pick it up. The terms "chroot," "reflash," and "brick" are thrown around from time-to-time, so be sure you understand the risks and know what you are doing before you try this at home.
Read more (thpmaemo.blogspot.co.uk)