First off, the functionality of the site is there. However, I have searched every file I can think of (including the xml and language files) and am still unable to change the admin menu links from german to english. This is on a 1.5.4 install running in legacy mode. Although the developers should have put more thought into implementing a language system, it still should have been easy enough to change... No real support from the developers on the forum. I don't recommend this component unless you are running a german site.
we are wondering because the component is also english. If you have admin area in english you will have also JoomShopping in english. If you see any mistake of translation .. please let us know because we are not native speaker but we haven`t got until a negative feeback about this.