D4E&D DE-EJ is a free Android application developed by Al-Reda Apps under the Education & Reference category. It contains all the hadiths from the "Shamā'il Muhammadiyyah" book. The book is a collection of about 400 narrations from the successors of Muhammad, divided into 55 chapters, compiled by the 9th-century scholar Tirmidhi. It describes intricate details about the Islamic prophet Muhammad's belongings, manners, appearance, and life.

The app is entirely free and does not have any ads. It comes with a search function, allowing users to find specific chapters or hadiths quickly. Users can add chapters or hadiths to their favorites and add notes to them. The app does not require any special permissions to run and allows users to change the font size and type. The app also features material design and color-coded hadith text.