■ Brain Training Apps Tests your ability to memorize colors in just an instant. Begin mental gymnastics once a day! 　 ■ Application Features This game is easy to jump into, but hard to put down. Compete for the best score in the world rankings. You can also play offline. Even playing for a short amount of time can be a lot of fun! Enjoyable for all ages. Play with a difficulty that matches your level. Increase your ability to concentrate through brain activation.