Brain Challenge
It uses the English interface and follows the international rules,The content are as follows:Entertaining mathematical calculations,Find out the missed tile, Fuuny compelling logic,And so on.This will be a full great test for your brain!
You can alo play this App in iWawa, a best App for kids: https://play.google.com/store/apps/details?id=com.sencatech.iwawa.iwawahome