Please find more information here.
Currently with TeamViewer 12 what is on my laptop PC screen is shown on my Samsung tablet.
What I want is the reverse i.e. I want what is on my tablet's screen to be shown on my PC screen.
How do I do that?
On your tablet you need either TeamViewer Quick Support or TeamViewer Host. Additionally you need the Samsung QS Add-On which should be requested by QS or Host when run.
There are special versions of Quick support and Host for samsung, but i don't know for what reason.