A free program for Android, by Image Crop n Wallpaper Changer.

Collage Maker is a free and easy-to-use app to create beautiful, artistic, and modern photo collages in seconds.

Collage Maker lets you easily edit and customize your photos by letting you choose from hundreds of beautiful layouts, photo grids, backgrounds, stickers, and text. You can add multiple effects, including borders, frames, filters, and text.

You can move, zoom in, zoom out, and pan to fit the frame around the picture. You can also add doodle instruments to your photos to create a unique and personalized collage.

You can use a variety of different stickers, including borders, backgrounds, frames, and text. You can also resize your pictures in a variety of different dimensions.