A free program for Android, by coolandrodev.

PIP Camera – PIP Collage Maker is an easy-to-use app that lets you edit and collage photos. With over 40 different frames, you can create a fun, colorful picture in a matter of minutes. You can even add text, draw lines, add stickers, and use the photo editor to add effects. All of the collages are saved to your device, so you can easily share them with your friends.

You can use the app to create a fun photo collage, or use the photo editor to create a beautiful picture. The app has a simple and intuitive user interface, so it’s easy to use.