Photo Merger is a free Android app developed by Pounkumar Purushothaman and falls under the Multimedia category with a subcategory of Photography. As the name suggests, Photo Merger is a simple app that allows users to merge or join images seamlessly.

The app's interface is easy to navigate, and users can select up to 10 images to merge. Once selected, users can arrange the images in any order they prefer and adjust the spacing between them. Additionally, users can choose to add a border to the final image and adjust its color and thickness.

Overall, Photo Merger is a great app for those who need to combine multiple images into one. While it lacks advanced features, it does its job well and is perfect for those who need a quick and easy solution.