"2) Why does the background & image move around with the mouse? It doesn't have anything to do with the app." That's what got me. To me it implies that when so

"2) Why does the background & image move around with the mouse? It doesn't have anything to do with the app." That's what got me. To me it implies that when someone is within proximity of the phone, it will vibrate/notify the user; other than that, I have no idea.