Let me introduce you a new brain trainer (Concentration)
This program is based on the method of training pilots' attention will allow you to improve visual memory and attention.
https://play.google.com/store/apps/details?id=com.pansoft.concentration
This program is based on the method of training pilots' attention will allow you to improve visual memory and attention.
https://play.google.com/store/apps/details?id=com.pansoft.concentration