Keeping ones mental health is important for intellectual advantage. Memory is one of the most influential cognitive psychological processes. While a lot of people have no issues to remember things (we can easily find a way where have already been or remember that picture we have already seen on internet) - the process of returning our memories and make use of them always requires training. The more reviving from memory is trained - the more effective becomes our memory in general.
This simple tool is designed to train this particular weak element of memory processes. Improvements in recalling memory reflects on real life and improves human cognitive abilities overall.