Most expensive iOS game yet The Idolm@ster: Shiny Festa

Not too long ago, The Idolm@ster Shiny Festa rhythm games were trademarked by Namco Bandai games in the west . While these weren"t the idol raising games people were expecting, it was gave hope to a starved audience who wanted an English version on the games for their PSP.
Most expensive iOS game yet The Idolm@ster: Shiny Festa