GuessTheFlag Game Guess The Flag Stack Kotlin, MVVM, Dagger 2, Coroutines, Firebase Auth, Firebase Firestore, YandexAds SDK, SharedPreference, LiveData Link in Markets https://play.google.com/store/apps/details?id=evgeniy.ryzhikov.guesstheflag https://apps.rustore.ru/app/evgeniy.ryzhikov.guesstheflag