"My memory" is the area to store the contents you had got by scanning “Kakehashi memory”
With "My Memory", you can quickly access the contents that you had memorized in the past.
The contents you memorized are ordered from the one you accessed recently. It is also roughly classified into "people," "event," "thing," "place," and "book," so if you roughly remember what it is, you can access it.
Also, it is convenient to register contents that you access frequently in "Favorites". You can add / cancel favorites by tapping the "☆" mark on the right.
You can filter by the on / off of "☆" on the upper right of the screen, so register something that you definitely do not want to forget as a favorite.