Joy wants nourished positive energy and went around the city to collect the yellow energy balls. It is fun to jump on the track, humming a little song, and is doing its job, but until then, until you come across the stone walls. Your task is to help the main character of the game to overcome obstacles. Take control of the situation and try to control the heroine so that it is easily passed all the obstacles in its path. Do not try to collect the balls of the same color.