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Get Learn Semaphore old version APK for Android
एक फ्लैग वेविंग सीखने और समझने में आपकी सहायता के लिए एक सरल इंटरैक्टिव ऐप।
Welcome to Learn Semaphore, a simple interactive app to help you learn and understand all that flag waving. This app is an invaluable aid if you are learning, or if you are just plain curious (like me).