Although this home screen does have some Joker artwork from random comics, if you haven’t read Batman:The Killing Joke, I’d highly recommend checking it out. It’s the origin story of the Joker told by Alan Moore and Brian Bolland.
Well, both Bobby and Jez wanted to see the Joker make his Tile Art appearance…
https://twitter.com/MSFTY/status/481181721283796992
So without further ado…
Link to the PNG images and background here.
Tile Art Guy 