Hm, i tried mostly everything. But with no luck 
. Anyways. It works, just without nodes. I will try to lern doing things by
code. Thx everybody.
EDIT:
Tested some build-publishings. I can say: Bforartists + Armory3D + Haxe = works well. No need for any logic-nodes
EDIT_v2:
I loaded a example file of armory3D from github. Aaand the nodes are there !!! But i have no idea how to add new ones.
What ist the shortcut for adding new nodes inside the compositing UI ? In the regular Blender it is: shift+a …