Company Kahoot ASA created these great apps:
Kahoot! Play & Create Quizzes, Poio by Kahoot! Learn to Read, Kahoot! Numbers by DragonBox, Kahoot! Learn to Read by Poio, Kahoot! Big Numbers: DragonBox, Kahoot! Algebra by DragonBox, Kahoot! Algebra 2 by DragonBox, Kahoot! Learn Chess: DragonBox, Kahoot! Geometry by DragonBox, Kahoot! Multiplication Games, Kahoot! Kids: Learning Games, and others..
