Recently SEGA has announced of a add-on known as "Hatsune Miku Append Module" for the PSP game "Hatsune Miku -Project DIVA- 2nd", which was made available on PSN (Playstation Network) Japan Store.
This module has been released on August 31st to coincide with Miku's 3rdbirthday since her software release and wewe can go to the Japanese PSN store website to get it. The DLC will cost 300 yen ($3.00) with tax included. wewe can click here link
to get a 1,000 yen ($10.00) PSN card.
Also, this Append module has also been made available in Project DIVA Arcade on the same siku as well, picha are below.
Project DIVA 2nd Append Module
Project DIVA Arcade Append Module