توضیحات:

This is a brain training game that selects the one with the largest value from the six numbers displayed in random sizes.
The score is determined by how many correct answers you get in 30 seconds.
If the answer is incorrect, the score will decrease.
You can turn off the sound by unchecking "Sound" in the menu item.
You can turn off vibration by unchecking "Vibration" in the menu item.