Loaded with one hour tutorials, this iOS and Android app will teach you how to perform those slick dance moves from Korean boy and girl bands. Aloysius Low is a Senior Editor at CNET covering mobile ...

'Saranghaeyo Oppa! (I love you!)' A fangirl flashes a heart hand sign to Boyfriend. (Updated 2:40 p.m.) A fan would normally swoon about her favorites alone in front of the computer screen or a poster ...