Press "Go!",
wait for one of the rect change color (3-6 sec.),
tap on screen as fast as you can.
After 12 seconds, times up!
Total time for reaction 60 sec.
Press "Go!",
wait for one of the rect change color (3-6 sec.),
tap on screen as fast as you can.
After 12 seconds, times up!
Total time for reaction 60 sec.