Bugs ruin this otherwise mediocre app. No bells, 0 whistles design-wise, which is fine. If you have to force close the app which I've already had to do a couple times, it restores the settings to default. Then there's no menu button to change the settings after you first install the app, unless you want to do it game by game, and even then you don't have the same options you originally had. This is fine if you don't mind the default settings but I hate playing with a timer, and I don't want it to show me incorrect letters (kind of defeats the purpose). The only way around this was to delete and reinstall the app, but then you have to start over and do all the same puzzles again. So just never mind, I'll find another app.