Where is Shhhaldo ?

Creepers are escaping from the minecraft's univers, please find them before they kill someone.
Small game in which you have to find Shhhaldo, a lost creeper, on 30 different levels.

If you are stuck : http://www.youtube.com/watch?v=U1Hg5hNLvU8

The application contains no banner and takes only 50Kb when installed on an SD card.

I do not own the rights to the images used in versions 2.0 and below. The application becomes popular so I decided to change the graphics for something without copyrights.
The images comes from this site: http://www.photo-libre.fr/