Edit: Nothing to see here, I'm just dumb and/or tired. As Cbajd5 pointed out, it's just closing the lid. I just noticed that when I put my phone (Xperia Z) over the bottom screen, the screens turn off, a noise sound plays briefly on the speakers, and everything stays frozen until the phone is removed. My phone is turned off. I have no clue on what's happening there. http://b.1339.cf/korznev.webm Can someone with an Xperia Z and a N3DSXL try this to see if this is present on every unit ?