Thank you for all your answers so far.
I know that I can write in German, but I thought that there could be a little bit more response when writing in English (learned at school, in the last years only practiced in english support forums, last spoken at one week in Barcelona in summer 2006).
I don’t think that rooting the Google-system only is a way I can be satisfied with. And starting a german thread for building the OS with no technical practice? I don’t know what I could write 
Then Arvils hint for a solution via PM should be a better way.
@Bergziege:
Richtig, merci, ich wohne im Ruhrgebiet 
@merci:
Who do you mean with “she”? Thank you also for the hint to the local group.
@ Moritz:
Soweit ich das verstanden habe, geht es dabei lediglich um das reine Rooten, daher ist das für mich nicht so interessant. Das liest sich beim ersten Überfliegen aber schon recht verständlich, ja