thax
and for response ur question...
to play all the new games (that works in 3.50 GT5, RDR undead nightmare and others) is necessary modify the "eboot's" some people have a lot of troubles to run that games and to improve the compatibility the use of a new payload (hermes v4b+spoof 3.55 or PL3+spoof 3.55) is indispensable to make proves, always its better works with the most update tools, nobody can prove right now if the spoofing in 3.55 have influence in the new games, like a "spoof 3.50" was in Assassin's Creed Brotherhood or others... that is the reason...