Angry Birds

Since we've an Android based device, the children (and parents too!) are playing well on Angry Birds.
It's a fun game with comediatical influences of birds liberating other birds in combat-style with help of a
slingshot.
Different themes like Halloween, Moon Festival, Rio, Winter and Christmas are already involved in the scenery.

Scientific explanation of the success of this game
How to play it in browsers
The blog - Online - Chrome
The apps for Android
The apps for Apple OS