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Yun Sung-Min

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Applications
바둑배우기 (정석) icon
android 바둑배우기 (정석)
Master Go with 206 joseki sequences, anytime, anywhere for beginners
바둑배우기 (사활) icon
android 바둑배우기 (사활)
Improve Go strategy with daily life-and-death challenges in a puzzle app