Answer9 app for iPhone and iPad

4.4 ( 824 ratings )

Games Educational Puzzle
Developer: tt-house.com

Free

Current version: 2.0, last update: 7 years ago
First release : 18 Jun 2010
App size: 166.82 Kb

Training can be an instant memory.
Card numbers 1-9 written, will only be displayed for 3 seconds. Please turn the card in order to count from 1 when the memory card is hidden.
Hard mode will turn up a card at random order.