Firecracker is a free application for Android that offers real fireworks and firecracker sound and explosion effects. In this app, you can choose from a wide variety of natural sound effect that is perfect for the “festival of lights”, also known as Diwali.

Firecracker has a simple, clean, and user-friendly interface that makes the application easy to use. In addition, it will not cost you any money to use the app because it's completely free to download.

So, what are you waiting for? If you want the best and most harmless firework app, you should download this app now. Enjoy!