I had this same problem on various game systems after scrapping them. What fixed it for me, was simply deleting the rom and screen shot for it. That fixed the scrolling issue. In reality, the actual issue was with the screen shot I believe that was scrapped. I wouldn’t worry about the games description, i would suggest you locate the screen shot that game is using (./images/Uncharted Waters – New Horizons (USA)-image.jpg) and remove that. See if that fixes it, if not, I am not sure, that has worked for me on the few times I have had the same issue.