├── App.tsx – root component
├── app – source code of the app
│   ├── components - react components
│   │   ├── common - common components reused accross screens
│   │   └── screens - screen components
│   │       ├── HomeScreen
│   │       │   └── components - specific components
│   │       ├── QuizScreen
│   │       └── ResultScreen
│   │           └── components - specific components
│   ├── config - project config/info constants
│   ├── hooks - abstractions of effects using react hooks
│   ├── services - connection w/ external services
│   ├── store - app global store
│   │   └── modules - store modules following ducks/RTK patterns
│   │       └── __tests__ - modules unit tests
│   └── test - jest config/helper files
│       └── utils
└── assets
    └── fonts