To answer this again:
Making conversions between PSX and Re-release version (100%) isn't possible unless more of the savemap is figured out. BOTH PSX and re-release. I can only export/import things that are editable in Memoria. That means, for example, all story progression will be lost. If anyone are willing to help I can make a raw-file exporter that dumps the raw, decrypted file to a file. That way anyone can examine their save with a hex editor. Sadly I don't have much time as I'm working 120% these days... "/ And when I do have free it's not very tempting to be stuck behind a computer lol (I work at least 8 hrs a day behind a computer haha). That being said, I'm still willing to do some work. And I will, so don't worry.
Also, the source is available; read the help file.
@snapx
In regards of cards: I'm guessing you can't go beyond the max limit of points; you may confuse the game. There is a post explaining how it's calculated (not be my) in this thread.
EDIT: Also, if you still have version 0.6b you can edit frogs captured. Just don't use that version to edit cards, that's all. I removed it from download 'cause that card bug can cause serious issues. The reason I disabled it in 0.6.1b is because I believed it was the wrong address, but I was mistaken: I had the correct one. Same thing with dragon slain. I'm not sure about successful thefts.