At the start of the game and in between questions, tap anywhere on the screen to continue.
Any interruption of the app will restart the game to prevent cheating attempts. The game will either end after 9 questions of when you have lost both lives.
You then have the possibility to add your result to the highscore.
There, you can tap Share your score to share your result via your favorite social media app, via a messenger app or via e-mail.