TU-KA (TU-KA by KDDI), a subsidiary company of KDDI, was a 2G PDC cellular operator in three metropolitan areas (Tokyo, Nagoya, and Osaka), which did not apply a 3G license.
While the largest operator NTT DoCoMo has famously disdained WAP in favor of its in-house system i-mode, rival operators KDDI (au) and SoftBank Mobile (previously Vodafone Japan) have both successfully deployed WAP technology.
KDDI |
As part of the involvement with KDDI's "Meet the Music" campaign, Superfly would have performed "Sunshine Sunshine" at the Okinawa Namura Hall in Naha, Okinawa Prefecture, on March 20, with the performance broadcast live over FM52 radio stations Tokyo FM, J-Wave, and FM Okinawa.