The ability of the mind to keep lots of non-associated visual information is very important. After regular training with this app, you should be able to vividly recall visual material--23 cards with different pictures. all as a result of training your mind to retain visual images.it works for all people, regardless of age. It can develop your ability to store and recall mental pictures. The app is designed to make the mind more acute and improve the visual recording of any material. Now it's just $1.99.you can use it in your iphone/ipad/ipod touch,and more,you can print the cards on paper to use it! http://itunes.apple.com/app/memory-trainning-cards/id403191104?mt=8# Category: Education Released: Nov 16, 2010 Version: 1.0 1.0 (iOS 4.0 Tested) 1.5 MB Languages: English, Chinese Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later.