u will need Extras-devel repository to enable it refer this link http://wiki.maemo.org/Extras-devel after wards open xterm and type root apt-get install nitdroid-installer after this download this file and install using app manager http://downloads.nitdroid.com/nitins....2.7_armel.deb
after installing open xterm and type nitdroid and follow the instructions. after about 30 minutes (depending on ur internet connection) u will be dual booting android and maemo