I went to imgur and uploaded it there but no idea if that's the right thing to do or not.... :-)
These are probably related to the bugs you're experiencing.
Tiles showing as the wrong color: https://www.reddit.com/r/MarvelPuzzleQuest/comments/f8au69/wellthis_is_certainlyinteresting/
Or worse, tiles are not showing up at all: https://www.reddit.com/r/MarvelPuzzleQuest/comments/f8hngo/i_didnt_realise_this_is_how_the_new_difficulty/
I ran into this again on Wednesday: blue tiles had been replaced with a texture that looks like it is meant to represent HP maybe? I could still see the character-specific overlay on top of the bad texture.
This is on a Nexus 9 tablet running Android 7.1.1.