【實用遊戲app】Count Three|最夯免費app

"Count Three" is a game which counts for 3 seconds correctly and competes for the error (reaction time).A reaction time is measured on one billionth of a second. Let's challenge your limit!! [How to play] A touch of the START button will start a count. Please touch STOP button after 3 seconds.In the game center, the time is displayed in the unit of a nano second. (one nanosecond is one billionth of a second.)

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