Dynamic vision training

It is an application for easy training of speed reading and Dynamic vision.It can be a simple operation, you can workout in the free time and travel time!Journey time is 30 seconds, please try a bit of spare time!
【How to use】It is a game you press the button that matches the color and alphabet.Please go press the button on the right answer quickly and accurately.
The time limit is 30 seconds. Number you press the button on the correct answer only will be added to the score.
Aiming for a high score, let's improve the speed reading and Dynamic vision!