Testing sensorimotor reaction. Reaction of a choice. 
* This app allows to define ability of the user to choose the corresponding color. The resulting test time demonstrates a reaction of a choice of the user.
* Results of testing. At the choice of 12 attempts the result includes: average value (ms), normality of distribution of the received results according to the Shapiro-Wilk criterion (W). At the choice of 15-30 attempts: average value (ms) and SE (Standard Error).
* This app can be used by athletes and teachers of specialized educational institutions in their scientific research.