Kaun Banega Jannati is a free Islamic quiz application developed by IStarWorld for the Android platform. It is an educational app that aims to test and enhance the user's knowledge about Islam. The app has a simple layout and is easy to navigate.

The quiz app consists of various levels, and each level has a set of questions related to Islam. The questions cover topics such as the Quran, Hadith, Islamic history, and more. The app also provides users with an option to choose the level of difficulty they want to play. The questions are in English, making it accessible to a wider audience.