I like it, but I think it could be more interesting if the tiles interact more with each other, e.g. if you finish a tile (right or wrong) it reveals a letter (or to not be as strong, maybe it reveals a non-letter?) in another unsolved tile. It would make it a little easier, but it feels more interesting to me.

I'd also like to see the result at the end have a number on each square for how many guesses it took (yeah, the copied emoji version can't have that AND be a green square, but maybe numbers would work instead?).