[Q] htc m8 developer edition on lollipop and harman kardon topic

hi all,
i just finish to convert my m8 s-off from GPE to developer edition on sense and lollipop clean installation over the ruu on website

i was wondering:

there is possibitities to add the harmann kardon patch to convert it or it work only on 4.4?

http://www.xda-developers.com/conver...ardon-edition/