I would also suggest waiting until the first version is finalized, and then go on to translating, unless you don't mind to translate strings with the possibility you will have to retranslate them in the future when I change them through the development course.
I would also suggest waiting until the first version is finalized, and then go on to translating, unless you don't mind to translate strings with the possibility you will have to retranslate them in the future when I change them through the development course.