It is a tool which aids communication so that important information, including the birthday of a friend and a friend, a connection history, the contents of consultation, etc., may not be overlooked.
Feature 1: When an incoming, important information of the other side is displayed.
Feature 2: "Notes": you can record the others information.
Feature 3: Phone call, SMS(Shot-mail), sending mail can be easily from call history.
Feature 4: It is synchronized with a Gmail contact.