Udacity Free, online, self-paced courses in Android Development for Beginners: Android Basics: Multiscreen Apps
The official repository for the Udacity Miwok App.
Refer to the branches for starter code, image assets, audio assets and final state (lesson five) of the app.
Here's the Miwok Dictionary.
Eventhough the course is in Java, I attempt to code it in Kotlin.
Start a new Android Studio project, copy and replace the app/src/main folder, then run it.