This is a neat trick. I wonder if my eyes would just get used to see B&W phone content and keep going. A neat app would be a 5' slow fade off that eventually l

This is a neat trick. I wonder if my eyes would just get used to see B&W phone content and keep going. A neat app would be a 5' slow fade off that eventually locks your phone. You can just unlock to keep going but at least you know 5' have gone by.