“The success of Japanese mobile phones was also driven by the i-Mode Internet service and Japan-centric software content available through it, such as games and comics.”...Japanese handsets have enjoyed success domestically, vendors became very focused on meeting the tastes of domestic users,” he said. “Thus, the features that are unique to Japanese phones may ultimately not appeal to overseas consumers.”"
Source: Why Japanese smartphones never went global
Patrick Budmar
PC World
11 July, 2012
http://www.pcworld.idg.com.au/article/430254/why_japanese_smartphones_never_went_global/