this game help your improve calculate skill. by attack the monster who came with the number and operand. your task is solve the problem and then attack or use spacial magic when it's critical time.
https://play.google.com/store/apps/details?id=createbyme.calculategame#?t=W251bGwsMSwxLDIxMiwiY3JlYXRlYnltZS5jYWxjdWxhdGVnYW1lIl0.
[YT]http://www.youtube.com/watch?v=SoLaivlUOnM&feature=player_embedded[/YT]
http://www.thaiandroidphone.com/data/attachment/forum/201208/01/111332cbxbnmixwpbcxbyk.png
https://play.google.com/store/apps/details?id=createbyme.calculategame#?t=W251bGwsMSwxLDIxMiwiY3JlYXRlYnltZS5jYWxjdWxhdGVnYW1lIl0.
[YT]http://www.youtube.com/watch?v=SoLaivlUOnM&feature=player_embedded[/YT]
http://www.thaiandroidphone.com/data/attachment/forum/201208/01/111332cbxbnmixwpbcxbyk.png