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From Amazing App:
Air Messenger, show message or picture in the air real time. By swinging your arm, you will show a long and big message or picture in the air! Very Cool! Very Creative! Very Awsome! Here is the special version for the Halloween, A lot of special picture for Halloween is included. When you ask for candy, you say: Trick or Treat. It's not very cool! Using Air Messenger, swinging your arm, and show a very big message "Trick or Treat" in the air, it will be very astonishing and cool. You will get more candies exceeding your expectations! The Demo Video is in YouTube: http://youtu.be/_p1jN5EPZ3s Youku: http://t.cn/zRJlb3H