Some of the foreigners living in Japan, some people Japanese is not good. Because they do not know what I do do with the mail that arrived in the house, or I throw the important mail, you or has been stored DM Yet important. When The photo in the "Kore-nani" at such time, "Because this is a bill, you can pay if you go to a convenience store." So on, it is an app that will answer to what to do.
He is currently serving a free version of the app as a beta version.