King of Maths
gktalk_imran
Math Games - Maths Tricks
Vasundhara Game Studios
数学之王:数学学习者
wonderkind GmbH
算术国王
Troubi Entertainment
Kids Math: Fun Maths Games
Apps Land Plus
Brain Math: Puzzle Maths Games
DamTech Designs
My Maths: Ultimate maths quiz
Himanshuji
Math-Solve
Karl Georg Kristin
多项式
Cognition Follow