Heya, I've just managed to decrypt and unpack the INSTALL.DNS file for the PSP game Shiratsuyu no Kai - that file contains all of the character sprites, backgrounds, etc, but the sprite files are all empty files with no extension, just numbers...
Heya, I'm currently in the process of trying to unpack the game data for Process of Elimination on switch, to grab the character VN sprites - I managed to extract the romFS and then the .dat files it produced (the one in question uses ps_fs_v1...