Android MVVM Architecture is a Java sample application that demonstrates the Model-View-ViewModel pattern for Android development. Its interface layer connects views with ViewModels so presentation state and behavior remain separate from activities and fragments. The data package centralizes access and manipulation, while Dagger 2 supplies dependencies throughout the project. Room handles local database storage, RxJava supports reactive operations, and Fast Android Networking performs remote requests. PlaceHolderView reduces interface boilerplate, and Android Debug Database helps developers inspect stored information during development. ...