There's one publisher, "Yiotro", that I like to boost. I think it's just one eastern European guy who has published a dozen or so games. Pretty much no monetization, except for some enhanced versions of a couple of the games. I recommend Antiyoy, I've barely gone a day without playing it for years.
100% agree. This person's work is outstanding. No ads, no gimiks. Simple to learn, but fun to play. Some of the games have a paid version that can be purchased just to show support.
Very simple, abstracted games.