By Miyoung Kim and Andjarsari Paramaditha SEOUL/JAKARTA (Reuters) - South Korea's pioneering mobile messaging apps have taken their oversized emoticons to Indonesia, intent on breaking the dominance of BlackBerry Ltd's BBM messaging service in one of the world's most active social media markets. Kakao Corp has hired pop stars and Naver Corp unit Line Corp has partnered Samsung Electronics Co in a country whose capital Jakarta boasts the most users of Twitter Inc's microblog by city, according to researcher McKinsey & Company. BBM has long been Indonesia's most popular messaging app, with Facebook Inc's $19 billion buyout target WhatsApp in pursuit.



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