Description (Japanese only) Okinawa informative app. If you live in Okinawa, who are thinking of traveling, and for those who love Okinawa. Daily high tide / low tide / sun / events and history are on Okinawa to a variety of sunset and lunar data. <Features> 1. Today's Page (day calendar.) 2. Events This Week 3. OCS card merchant Information 4. Okinawa Map 5. Accommodation Guide 6. Food shopping g