Release Notes:
1) Install the game .pkg from XMB as usual
2) put our crack EP9000-NPEA00372_00-VIKINGSATTACKKEY.edat into the following location on your PS3 (via FTP): dev_hdd0/home/00000001/exdata/
If you have no exdata dir there then just create it manually and put the .edat inside. (Alternatively you can check other profile dirs like home/00000002/exdata and copy it there)
3) for CFW 3.55 only: replace files on hdd in dev_hdd0/game/NPEA00372/ with files from our eboot_patch dir
4) play from XMB