"Daruma-san ga koronda" on your iPhone.
a kind of Japanese traditional playing tag..
"Daruma-san ga koronda" is a very famous, Japanese traditional playing tag.
Its easy.
While Robo says "Daruma-san ga koronda", he has his eyes closed. So you walk toward him by shaking your iPhone. Pass through the goal, you win.
After he said "Daruma-san ga koronda", he opens his eyes and looks at you. DO NOT MOVE(SHAKE). If you do. you lose.
Simple, but be thrilling.