This application is necessary for all modern people. Since you can record a contact and add tons of useful notes for that person. Know about the trends in the sky and understand when people go crazy. Or when a good time for auspicious deeds. We all have a problem remembering a hundred thousand unnecessary birthdays, some special information about a person. We can shift this task to the application, because we live in a world where you need to be attentive to everyone and tolerant, remember everything that is not necessary.