Why does Superman get invited to dinners? Because he is a Supperhero.
Because being chased by ghosts is way too hard.
Because the original Bubble Shooter game is way too hard.
Press and hold the button for a long as you can endure. You might even get on the leaderboard!
The longer you wait to reset the sign to zero, the higher your score. But don't wait too long, or someone else might reset it!