Train your blink memory!
Train your brain to memorize a number at a glance.
A number is displayed for a very short time.
Remember it.
Input the number
Train your brain to memorize a number at a glance.
The length of the number has a digit span from 4 to 30 digits.
play.google.com/store/apps/details?id=com.gwolabs.numberblink20
or search in Google Play for "gwolabs"
youtube video: youtu.be/tQ8m0lGlQ3w
— modified on May 11, 2016, 10:44:46 AM