I own a water rower. Looks stylish enough for a living room (you can store it vertically) and I believe you can buy a tablet holder for it as well. The store offers plenty of replacement pieces in case you need them.

Pixelful

play.google.com/store/apps/details?id=com.ciaostu…

And its dark variant Darkful

play.google.com/store/apps/details?id=com.ciaostu…