دليل التجويد is an Android application developed by Ashraf Elashy, which falls under the category of Education & Reference. The application offers Hafs' collection of Quranic recitation and Tajweed rules, providing students and learners with an opportunity to master Quranic recitation and Tajweed through simplified and user-friendly methods. The application offers a comprehensive guide to Hafs' recitation based on the Shatibiyyah route. The application also provides a detailed description of the articulation points and attributes of the Arabic letters, which are taught through audio and visual aids by Sheikh Aref Abdullah Al-Ashi. Furthermore, the application includes a quiz section called "Sīn Jīm" that consists of 1,110 multiple-choice questions that are categorized into various levels of difficulty. The application also features a Quranic library with links to over 15,000 books related to Tajweed and Quranic recitation. Additionally, the application includes a link to the developer's website that provides a detailed collection of Hafs' recitation based on the Shatibiyyah and Warsh routes. Overall, دليل التجويد is a user-friendly application suitable for all ages and proficiency levels.