The القرآن الكريم بخط كبير app is a complete Quran application for Android users. It provides the full Quran without the need for an internet connection and is an exact replica of the physical Quran. The app includes features such as search, bookmarking, and an index of surahs, parts, and sections. It also has a night mode and allows users to adjust the brightness of their screen. The app retains the last page read even when closed and can be read in both horizontal and vertical mode. The font used in the app is clear and the background color is easy on the eyes, making it comfortable for prolonged reading sessions.