1.It is AS3.0 Version.
2.It is a very interesting puzzle game, it can help you to train your brain.
3.This game has 10 levels, it can change to endless level, it is up to you .
4.Use mouse to click bird nest.
5.All Music you can instead easily.
6.All Graphic you can custom them easliy.
7.Easy to change for AppStroe or Google Play.
8.Use Flash cc or Flash Builder to edit.
9.Update is free.