The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Hiroyuki Tsunoda:
This app is measured of reaction time until push of a button light onGame mode-SimpleMeasurement of simple reaction time(SRT) of the push of a button when the light turns-Dual, TripleMeasurement of choice reaction time(CRT) of dual and triple button-RandomMeasurement of choice reaction time(CRT) of 5x5 light randomly turns onMeasurement rules-Premature start0.1 seconds or less will be premature start treatment-Miss touchCount up miss touch other than correct touchResult time sent to the GameCenter and displayed twitter and facebook button if there is no miss touch