React for Android
All u do it tap when in changes color that's all boring
So lame...do not download its a waste of your time.
It does nothing
If i could do no stars i would do it
THIS IS EVEN A APP?
It doesn't do anything ????????????
Suck!
It judges and is a test of concentration
This app don't do nothing
Sucks
Why all the bad reviews? It does what the description says. You tap when it changes color, and that's it.
WHO EVER MADE THIS I WASTED MY TIME ON THIS JUST WOW THX FOR WAISTING MY TIME!!!!!????
I hate it all it said is focused
This is so stupid
It just times you
It does what it should do. Great App.
Just why
Waste of time
The adverts are intrusive and de-focus the user, thus damaging reaction time.
Not that interesting but very accurate
by N####:
The adverts are intrusive and de-focus the user, thus damaging reaction time.