A koko is a place that you have discovered and want to remember. Kokodoko records those places so you can find them later.
To create a koko, all you have to do is press the "+" sign on the Kokos List screen, then press "Save" on the Create Koko screen. Kokodoko will record the date, time, location and address. You probably want to include a name and a description (you can use the microphones) and a photo, and maybe a type and some tags. Of course you can add or edit these items later.
Kokodoko stores your kokos in the cloud. That way you can access them from any device where Kokodoko is installed. It also keeps a local list for fast access.
You can see the location of your Koko on a map by pressing the map icon. To get directions to your koko from your current location, touch the pin on the map.
Kokodoko's emblem is a tanuki, which is a mythical Japanese creature. There is also a real animal in Japan called "tanuki", but they don't usually wear hats.