I got stuck and / or confused. It took me quite a while to figure out I could pick up stuff and it was spooky to have them appear on the table when looking through the mirror. At least that is how I think it worked.
I would really have wanted a full-screen mode and some clear indicator on what could be interacted with (like the cross-hair changing shape). And most of all I would have wanted to explore the house further, because I don’t think I got very far.