I forgot which phone company did it, I remember them dropping the feature after a generation, but one of their phones was advertised to lock the screen if it detects a second pair of eyes were peeping into the screen, like someone behind you looking over your shoulders.
I forgot which phone company did it, I remember them dropping the feature after a generation, but one of their phones was advertised to lock the screen if it detects a second pair of eyes were peeping into the screen, like someone behind you looking over your shoulders.