Basic Tango BP Setup

Hey people!
I am currently working on a Tango application or let’s say I would like to be.

At the moment I am trying to get the pass-through camera to work
as well as all kinds of fancy tracking.

I have created a new project, set up the Android built pipeline,
opened an empty level and created a pawn that OnPlay activates Tango tracking and is OnStart posessed by Player 0.

After deployment the result is a black screen with Mobile Onscreen Controls.

Over the last few hours I have played with different nodes, components, configurations etc. but the result is always the same.

Has anyone a clue for me what I miiiight be doing wrong?
I use a new Zenfone AR with Android 7.0 by the way.

Kind regards and thank you

Schnittbrot