$3.99, iPad, iPhone, Android

Teaches: starter app, creativity, language, logic

$4.99, iPad, Android, Steam

Teaches: logic, human development, art, spatial problem solving

$4.99, iPad, iPhone

Teaches: logic, math, spatial relations, art, mechanics, optical illusions

$2.99, iPad, iPhone

Teaches: colors, spatial relations (front and behind), art

$2.99, iPad, iPhone, Android

Teaches: creativity, using the camera, cartoons

$2.99, iPad, Android, iPhone, Apple TV

Teaches: creativity, logic, spatial relations, art, blocks

$0.99, iPad, iPhone, iPod Touch (iOS 6.0 or later)

Teaches: symmetry, art, creativity

$2.99, iPad, Android, iPhone

Teaches: science, creativity, logic, spatial relations, ecology, ecosystems, earth science

$0.99, iPad (37MB)

Teaches: art, creativity, music, temporal relations

$3.99, iPad, Android, Kindle

Teaches: logic, math, spatial relations, art, mechanics, optical illusions, simplified Chinese, Traditional Chinese

$3.99, iPad, iPhone, Android

Teaches: creativity, photography, visual arts

$9.99, iPad, (1.7 GB)

Teaches: animation, creativity, visual arts, Disney history, computer graphics

Windows, Mac OSX, Internet Site

Teaches: art, history

$0.99, iPad, Android, 41.6 MB

Teaches: art, visual relationships, spatial relationships

$2.99, iPad

Teaches: letter recognition, language, art