This is a little Tools to edit your Savegames. Edit Levelprogess, Score and many more. Please don't use it to fake Accounts, post finished Level with this Hack oder anything to other. Its only to test and have more fun with GISH.
http://gish.gi.funpic.de/download.php?id=5
This trainer is very good (especially because it's the only trainer which works for me ;) ).
Kampfschaf, did you program the trainer by yourself? Using C++ or some other programming language?