APP: Lantern & Fireworks https://itunes.apple.com/us/app/lantern-fireworks/id593222407?mt=8 Special particle algorithm and optimization ipad 1 simultaneously generate more than 400+ tails, and fps 25~30 You can edit the buildings: london eye + taipei 101 + Sky Lantern + fireworks TUTORIAL VIDEO http://youtu.be/5FBRtZucPvo http://youtu.be/5FBRtZucPvo