Chroma Key (Beta) is a free Android app developed by AndroDevCafe under the category of multimedia and subcategory of photography. With this app, you can take or select a photo with a green screen and add a custom background using the chroma key effect.

The app is currently in beta testing, so it is expected to have some bugs or issues. However, it is a great tool for those who want to create professional-looking photos with custom backgrounds. The app's user interface is simple and easy to use, with all the necessary tools available on the main screen.

Overall, Chroma Key (Beta) is a promising app for those who are looking for an easy way to add custom backgrounds to their photos. If you encounter any issues or have any feedback, make sure to share it with the developer to help improve the app's performance.