It's always him ( yanleites) who is asking this question. As far as I remember this was already answered (android M again has a other SDK version and so a different ART when I remember well) but he seems not want to read that answer and is asking ...
Yes well obviously its not working for me. I flashed it via TWPR but I get no xposed app.
Allow me to reframe your post.
I didn't install the .apk so obviously I get no xposed app.
I'll file this thread under "slow news day."
You can use it in the shower... once.