If you are looking for a powerful and easy-to-use video background changer app, look no further than the Video Background Changer Wiki by Wiki Dev Apps. This Android app allows you to change your video background in an instant, adding any image or video background from your device or choosing from the app's extensive collection.

The app comes with a green screen effect video background feature that lets you remove the existing background of your video and add a new one without any hassle. You can also add text with different fonts and colors, as well as stickers from different categories to give your video a personalized touch.

The app is incredibly easy to use. Simply import the video from your device gallery, remove its background, and add any background from the app's collection. Once you have edited your video, you can save it to your device or share it with your friends and family.

Note that the app may not work properly if there is no human detection in the video. Stay tuned for upcoming features, including green screen effect, image background changer, and premium version of the app.