Thanks to Illa for informing us, the new Relaunch editions for #1-3 are now available in French on Gallimard Jeunesse, the French publisher for the series, and Amazon.fr.
It looks like #1 & 2 were released in September 2012, and #3 was released this year in February 2013. Since these were released after the cancellation of the series, it may be an indication that the rest of the books are also being planned to be released in French, provided that they sell well. They were also released with translated covers:
These have been added in our relaunch pages. At the moment, there is no new information regarding other language translations, but if you come across anything, then please let us know!