Be warned, there's no fancy graphics here, just a good challenge, some fun and a lot of educational trivia.
You can play by yourself or with a friend on a split screen, for a few seconds or a few hours.
There are achievements to unlock and a global leaderboard via Google Play Games.
You can submit your own questions (they will be reviewed).
And more will be added over time.
It's free, lightweight, bugless, can be played offline and there's no intrusive permission required.
Not enough? You can also play against someone over the Internet in real time. Yes, real time quiz.
Actually, the only problem is that you might get addicted, now you know.

If you were looking for a more "useful" time waster, you've just found it!

Nota Bene: this quiz does not contain "alternative facts", all the questions have been thoroughly checked. Let's make America cultivated again!