Risalah Amaliah is a free Android application developed by KhPromo Inc. It is an educational and reference app that offers a vast collection of prayers, shalawat, and sunnah prayers, along with step-by-step guides on how to perform them. The app is designed to be user-friendly and accessible to all.

The app's interface is simple and easy to navigate, making it suitable for both novice and experienced users. The app offers a comprehensive guide to all types of prayers, including morning and evening prayers, Friday prayers, and Tarawih prayers. The app also includes a collection of daily prayers and supplications, which users can access at any time.

Overall, Risalah Amaliah is an excellent app for anyone looking to improve their prayer routine and deepen their spiritual practice. The app's extensive collection of prayers and step-by-step guides make it a valuable resource for Muslims of all ages and levels of experience. However, the app could benefit from more frequent updates and improvements to enhance its functionality and user experience.