i did not write any exploit. i simply made the homebrew app that you are speaking of. also you can easily change the theme on that version of the dash to whatever you want. it was a feature of the dash. if you read the information on mdfbrew you can see the instructions on how to do so.
you can get a free version from the author of the emulators site. type "MD.EMU on google, the website is called explusalpha. if you go to his development section you can find a version of md.emu that may be of use to you.
P.S. the current version of the dashboard: