Key features and themes of the Epistle of Paul to the Romans include:

1. Authorship: The Apostle Paul is traditionally regarded as the author of the Epistle to the Romans. The letter reflects Paul's distinctive style and theological insights.

2. Date and Location: Paul likely wrote the letter to the Romans in the mid-50s AD, during his third missionary journey, from the city of Corinth.

3. Audience: The letter is addressed to the Christian community in Rome, which included both Jewish and Gentile (non-Jewish) believers.

4. Doctrinal Explanation: The Epistle to the Romans contains a comprehensive explanation of Paul's understanding of the Christian faith, including the concepts of justification by faith, grace, and the righteousness of God

Other features and resources.:

- Background listening allows you to listen to chapters while performing other activities.
- A search mode to easily find chapters.
- Choose between a day mode or dark mode, depending on your mood :)
- An alarm clock feature to start your day off right!
- Filter chapters by theme.
- Easily add your favorite chapters to the favorites list.
- Receive a call while using the app.
- Schedule automatic app shutdown with countdown mode.
- Share a chapter with your friends.
- Compatible with Chromecast and Android Auto.