The app "رياض الصالحين الكتاب مع صوتي ب" by سلفي Salafi is an Android application that features an audio book of Riyad Al-Salihin, a comprehensive collection of Hadith by Imam Nawawi, along with the text of the book. The app is free and falls under the category of Multimedia with a subcategory of Music & Radio.

The app provides a high-quality audio reading of the book with clear pronunciation and proper intonation. The app also has the feature of working without an internet connection, which makes it convenient for users to listen to the audio book anytime, anywhere. In addition, users can read the text while listening to the audio simultaneously, which makes it easier to understand the content of the book.