[Programming Language] - Kotlin

[Architecture Used] - Model - View - ViewModel

[Architecture Components Used] - Mutable Live Data and Data Binding Library

[Testing Framework] - JUnit 4

[Network Layer Used] - Retrofit

[Architecture Implementation Details] -

• Activity (User Interaction layer) made completely free from doing business logic .
• View Model takes care of processing all business logic . It gets the data from Repository
• Repository takes care of getting data from API . Once it gets data it passes to view model
• Once View Model receives data ,it process the data and return back to activity through Mutable Live data .
• As soon as new data available , activity observers are invoked and displays the data to user
• View Model underwent unit testing as it performs all business logic.[JUnit4]