I thought it was just me. I think the speakers on my LCD model were better.

There’s discussions on if it makes a true difference but cryoutilities seems to makes a difference in gameplay for me and the types of games I play.

You can check here

I only grabbed 3. Witcher 3 complete edition, South Park: Stick of Truth, and Tony Hawk 1 + 2.

You have to use the emudeck exporter/importer. You can’t just swap the SD cards. The location of the saves depends on the option you chose when you installed emudeck.