Otkan kunlar - Abdulla Qodiri is an Android-based education and reference book application developed by Propubplace. The app is free and falls under the Books subcategory. The book is a masterpiece of Uzbek literature and highlights the theme of love and patriotism. It takes inspiration from the literature of the Eastern world and is a great source of knowledge for readers. The book teaches readers about the values of love, loyalty, sacrifice, and jealousy, and how they impact human relationships. The author, Abdulla Qodiriy, is an acclaimed Uzbek writer and his work is a significant contribution to Uzbek literature. The book has beautiful descriptions, elegant language, and relatable characters that make it a must-read. Overall, Otkan kunlar - Abdulla Qodiri is a great app for book lovers who want to explore the world of Uzbek literature.