Mobile Suit Gundam Battle Operation: GM Sniper II by Dengeki Online

Mobile Suit Gundam Battle Operation for Ps3
Release Date: June 28, 2012
Price: FREE
File Size 877 MB

the game is now available for download via Playstation Network Japan.
If you don't already have a Japanese Account just simply register new account and change the region to Japan.

The game will allow you to play 3 times every 90 minutes per day.
to extend your gameplay, buy some energy supply from the Japanese Playstation Store

more images and info about MSGBO here:
//www.gundamkitscollection.com/search/label/Mobile%20Suit%20Gundam%20Battle%20Operation%20for%20PS3

source: http://news.dengeki.com/pr/gundam_bo/