Today the user B. Bore sent me the French translation of iCopy Free Photocopier.
Thank you very much for your help!!
The file is available here for download: extract the content of the archive into iCopy folder and then change the language in the Options dialog.
iCopy Simple Photocopier 1.47 is currently available in 9 languages: check them in the download page or help with your own translation, following these instructions.