NTT DOCOMO, INC. (DOCOMO) announced today that it has added Wi-Fi® functionality to its Japan Welcome SIMTM prepaid SIM card service to provide travelers to Japan with fast and easy access to “docomo Wi-Fi” hotspots nationwide without any complicated set-up. The new Japan Welcome SIM & Wi-FiTM service provides access to docomo Wi-Fi secure public wireless LAN hotspots across Japan, including sightseeing spots, train stations, airports and cafes. Despite improvements to Japan’s publi...