The "Learn English to Tamil" app is a language learning application designed to facilitate the process of learning and improving English language skills for speakers of the Tamil language. The app aims to provide an interactive and engaging platform for users to enhance their English proficiency while using Tamil as a medium of instruction and explanation. Here are some features and components you might find in such an app:

1. **Bilingual Lessons**: The app offers lessons that are presented in both English and Tamil. This helps users understand concepts more easily by providing explanations in their native language.

2. **Vocabulary Building**: The app includes a comprehensive vocabulary section where users can learn and practice English words and their Tamil translations. This could include audio pronunciations, example sentences, and images to aid in understanding.

3. **Grammar Lessons**: The app covers English grammar rules, tenses, sentence structures, and other important aspects of English grammar, all explained in Tamil for better comprehension.

4. **Interactive Exercises**: Users can engage in various interactive exercises to test their knowledge and understanding. These could include quizzes, fill-in-the-blanks, matching exercises, and more.

5. **Speaking and Listening Practice**: The app might offer audio lessons and speaking practice exercises where users can listen to English dialogues, repeat phrases, and improve their pronunciation.

6. **Writing Practice**: Users can practice their writing skills by completing prompts, essays, or short paragraphs in English. The app might also provide feedback and corrections.

7. **Progress Tracking**: A feature to track users' progress throughout their language learning journey. This could include the ability to see completed lessons, scores from exercises, and overall improvement over time.

8. **Cultural Insights**: The app might provide cultural context to language learning by introducing aspects of English-speaking cultures around the world. This can help users understand not only the language but also the customs and traditions associated with it.

9. **Offline Access**: The app could allow users to download lessons and materials for offline access, enabling learning even without a constant internet connection.

10. **User-Friendly Interface**: The app's interface should be intuitive and user-friendly, making navigation and learning materials easily accessible.

11. **Customization**: Users might be able to customize their learning experience based on their skill level and goals. They could choose beginner, intermediate, or advanced levels according to their proficiency.

12. **Social Features**: The app might include social features such as discussion forums or language exchange platforms where users can interact with others who are also learning English and offer support or practice opportunities.

13. **Premium Features**: While many basic features could be free, there might be a premium version of the app that offers additional content, personalized learning plans, and more advanced exercises.