This app is great for those who are working or preparing for exams.
Aren't you insignificantly spending your commute or school hours?
It was designed to learn common sense by taking a quiz on various topics for 5-10 minutes a day.
If you play lightly while playing quiz, you will gain knowledge without your knowledge.
[A word from the developer]
To provide quality content and maintain the server
This app inevitably contains a number of advertisements.
If you are uncomfortable with advertising
Please purchase a paid app.
Data cannot be exchanged between paid and free apps.