application name-Chroma Camera
chroma camera app using video background changer, editor, works like charm, is a video or movie maker with the effect that changes the greenscreen (or another color) to image you choose in order to put a background is amazing app and working is good
How to this app using Open the app you will see a gallery icon in the upper left corner, click it and select the image you wanna fund, then just click on that eyedropper, click on the screen and it can recognize any color
green screen or chroma key is a technique by which a block of a particular color (often blue or green) in a video image can be replaced either by another color or image, enabling, for example, a weather forecaster to appear against a background of a computer-generated weather map
from the top bar, thean choose a background image.in order to choose chroma color (green or blue are recommended) click on the dropper icon. then, from the camera preview click on it to choose the color.
-after that, chroma will be enabled. to start record the video click on the icon from the bottom bar.
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