Mobile Suit Gundam Battle Operation released an event today April 18, 2013 that will last until May 1, 2013. The event will let the players collect the blueprint for EMS-10 Zudah for limited time. The LVL of the blueprint will depend on the player's LVL.
during the campaign period, prices of energy packs will also decrease
10pcs: 480 yen
20pcs: 950 yen
40pcs: 1,850 yen
more MSGBO HERE