** What is Dual N-Back **
Dual N-Back is a scientifically verified game that can train the following abilities of the brain.
IQ
Flash memory
Cognitive improvement

** Basic rules **
Memorize the displayed panels in order.
Press the button of the same element as the panel displayed N times before.
Press the Place button if the location is the same, and press the Letter button if the letter is the same.
The mode keeps running until you get a set number of lives wrong.
Solve more problems and train your IQ and flash memory.

** App Features **
Adjust difficulty level from N-2 to N-5
Display brain training statistics
Ranking function to compete with players around the world for high scores