SignalLearning — ASO

提供 domesticusdevelop AppTrack Ninja。

The flag signals presented here are after the modern semaphore alphabet seen from front. Contains 26 letters and 10 numbers. The app is intended to make learning of semaphore alphabet easy and also a test to check your memorization of the signals.

のキーワード可視性、ランクイン検索語、日次の順位変動。 SignalLearning.

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SignalLearning — ASO | AppTrack Ninja