hi, ive been trying for ages to get this to work, but everytime i try(From external and internal) they stay in black screen but i can quit using the playstation controller. I dowloaded a pkg to change the eboot and installed it and moved all the files to the directory it made which was hdd0/katamari/usrdir
but running from that just went back to the XMB help me!!
Im on 3.55 and using gaia