A free program for Android, by TechAmongus.

Developed by TechAmongus,, Photo collage Maker – Photo Editor Stickers is an application that makes it easy to create a collage using your photos. The app has many options for creating a collage such as selecting a template, setting the layout, adding text, stickers, and more. You can also set the margins between the photos.

This is a very easy-to-use application and is a perfect tool for beginners to use. The app is very simple and intuitive, and the best thing is that it is free.