If you walls are textured, you'll need to texture the wall to match. If you have a special texture (other than spray like mine) you might practice on a scrap board as you want this to match seamlessly.
Once you have the texture matched, you'll paint the wall to match. I made sure to sand the lip where the Touchpad rests smooth, almost to the painters tape underneath since I wanted to Touchpad to fit as it it were on my desk.
Now to add some thin metal strips to the back of the HP Touchpad. I just used some black painted metal plates I had and some 3M Double sided tape. Bend the metal to follow the curve of the Touchpad's back.
Stick the metal plate to the back, one plate for landscape and one for portrait, since the Touchstone supports charging in either orientation. Since my plates were already painted, I didn't want to cut them so they fit perfectly. This looked fine for...