Do KidsZone held any examination or test?

No, KidsZone doesn't take any test or examination, therefore they can enjoy playing games and solve puzzles, which is somewhere similar to the test, where you will get to know about your result, whether is it right or wrong. 

Educational Games - 

FunZone - 

Click on the following link to go directly to the KidsZone: www.mindstick.com/KidsZone/Home/Intro