Namco Bandai have released the first trailer for Idolm@ster: Shiny Festa, an upcoming rhythm game for the PSP that lets you select different idols depending on which version you buy. The three versions are Honey Sound, Funky Note and Groovy Tune, and you can find out which idols are in each one here.
Each of the three versions of Idolm@ster: Shiny Festa will also come with an original animated feature. A-1 Pictures, who produced the Idolm@ster anime, will be working on these. Each animated feature will be 23 minutes in length.
Idolm@ster: Shiny Festa will be released on October 25th in Japan.