Zigzag Ball Rolling - keep ball on risky sky wall Publisher: Wei Cai Genre: Action Released: 28 May, 2016 Size: 21.1 MB Price: FREE! Click here to request a review of this app App Store Info Description Walk on sky wall carefully and how many zigzag can you cross ? Tap screen to control ball's direction and don't fall down the ball . How far can you run ? Screenshots Screenshot 1 of 10