Do not look trained judgment the moment, the reflexes in this app? Operation is easy! Two digits will be displayed, If the left is greaterTouch the ">" If you are the sameTouch the "=" If to the right is large touch the "<" Only. It takes the average value of 10 times. Aim for 0.2 seconds or less! Please try to free time, etc. so a simple brain training.-------There are also other apps.https://play.google.com/store/apps/developer?id=tskwt[Pick up app]●Reflexes(反射神経)https://play.google.com/store/apps/details?id=com.tsk_wt.game.Reflexes-------tskwt