1. V-Sync is a setting that will sync your graphics card to the refresh rate of your monitor. If you notice tearing in your graphics, ticking this option may improve things.
2. A higher detail sims texture at the expense of performance. If you have a high-end graphics card that can support this, then you can easily have this ticked.
3. Correct me if I'm wrong, but I believe this sharpens close objects and blurs faraway ones? I personally have it off, as I find the blurring hinders my stories screenshot quality, but this one is really all about personal preference.
4. Refers to the Jasmine Holiday type challenges I think? Or any other challenge the Devs might introduce for a limited time.
I think that's it?