The top features of the e-learning mobile application would be  1. Signup 2. View and select various available courses 3. Smart Search with various filter options 4. Users can post questions and can easily connect with a specific teacher by video or text chat 5. Course certificates are available on the completion 6. Bulletin Board 7. Practice Tests and Quiz 8. Document Management Module 9. Open Discussion Forum 10. E-commerce 11. Push Notifications 12. Real-time Analytics 13. CRM Integration 14. CMS Integration 15. In-App Chat 16. Multilingual 17. Payment Integration