QuizDroid

OTTF Studio
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Everyone
50+
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Everyone
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About this app

We provide one Kotlin/Android problem every day.
It provides problems and explanations, and saves learning records to help you continue learning.
Updated on
May 2, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

출근길에 매일 한문제씩!
코틀린/안드로이드 문제를 풀어보세요!
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Everyone
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About the developer
윤성현
ottfstudio.official@gmail.com
South Korea
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