There is a video of them playing the new mode (mobile UI with a mouse, apparently):
https://www.youtube.com/watch?v=R-rii1MzLWE
The rest of the April Fools joke is here: https://d3go.helpshift.com/a/marvel-puzzle-quest/?s=news&f=new-game-mode---deadpool-s-gempool-4-1-20&l=en