KakaoTalk is an easy, no-cost messenger that transcends standard chat. Make chatting extra fun with an array of emoticons and sticker collections. More about KakaoTalk: - Chosen by more than 200 million users worldwide - Fast, fun, easy way to communicate with friends and family - Uses Internet connection (3G or Wi-Fi) for calls and messaging - KakaoTalk conveniently syncs your chats with your mobile device. Friends all over the world are never far from reach with KakaoTalk. Chat one-on-one or in a group, any time of day, as much as you like. - VoiceTalk & FaceTalk Make calls and video calls around the clock and around the world—for free! Have fun with your friends using the Talking Tom and Ben voice filters as well as our unique video filters. - Send & receive a variety of files Share photos, videos and more with your KakaoTalk friends in your chatroom. - Remote log out and lock mode Remote log out allows you to keep your KakaoTalk secure at all times – no need to worry if you step away from your desk in a hurry. Plus enable lock mode to keep your data safe automatically.