The "زخرفه و تشكيل النصوص العربية" app by Kaderisoft is a free utility tool for Android devices that allows users to easily format Arabic texts with the appropriate diacritical marks. With this app, users can write Arabic texts without the hassle of manually selecting the correct diacritical marks for each letter, as the app automatically selects the appropriate marks based on the rules of the Arabic language.

In addition to text formatting, the app can also help users with verb conjugation and displaying the grammatical case of each word. The app is user-friendly and performs quickly, making it a valuable tool for anyone who frequently writes Arabic texts.