Reaction Time [ENG]

This app can test/ practise your reaction time in different aspects.
i.e.
1 color change (eye)
2 hear a sound (ear)
3 object pop up (eye + ear)
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How to play?
- Touch the screen to start the test.
- Touch the screen again when you (1) see the background color change, (2) hear a sound and (3) an object pop up.
- After 3 trials, your average rreaction time will be calculated.
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For normal person, it should be smaller than or equal to 0.5 s