This document discusses trends in mobile devices and screens in Korea in 2012. It notes that: - Smartphone usage in Korea was growing rapidly, with the market size reaching 2,000 billion won in 2011. - Mobile traffic in Korea was increasingly dominated by apps and mobile web browsing over sites like Naver and Cyworld. - Many services were aiming to work across multiple screens like smartphones, tablets, TVs and more in a seamless way using cloud technologies. - Social TV and interacting with content on multiple connected devices was an emerging trend. - Surveys found people increasingly using their mobile devices while watching TV or for activities like social media while viewing.