I was having similar issues. The games weren't loading about 80% of the time after having cleaned them thoroughly. I ended up returning mine and re-ordered one. I'm hoping I happened to have gotten a lemon. But it shouldn't be this hard to get these games working.
It’s barely there. When I say barely you have focus on it to notice it. During game play it doesn’t hinder the experience like it did when it was in 16:9