As part of the deal, Dwango's
Star Diversion, a top-down vertical shooting game will come pre-loaded on NEC 515 mobile phones.
Both the NEC 515 and Dwango's Star Diversion utilize DoJa, a Japanese version of Java, created by NTT DoCoMo, which enables use of a polyphonic ringer, special vibrating features and simultaneous key-press ability. The NEC 515 features a second processor that dedicated to Java applications, which enables faster game play.
