- Study Duck - Study Timer&Coach
- Android アプリ: 教育 作者: suduck
- * フリー
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- ポイント: 0 + 0 バージョン: 1.3.0 Study Duck helps you focus, track your learning time, and see how you compare with students around the world. When you touch your phone during focus mode, it says: Stay focused! This ... ⥯
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