English Teacher Pocket Coach is an Android app developed by 3mentes. It is a free educational tool designed for English teachers who use the book 'First Impressions' in their classes. The app provides tricks, exercises, suggestions, and audio files that correspond to each lesson in the book.

The app is user-friendly and easy to navigate, making it a great resource for teachers. The audio files are clear and of high quality, making it easy for students to understand and learn from them. The exercises are well-designed and thought-provoking, providing a great way for students to practice what they have learned.

Overall, English Teacher Pocket Coach is a great tool for English teachers who want to enhance their teaching experience and provide their students with a valuable learning resource. It is highly recommended for anyone who uses 'First Impressions' in their classes.