A free app for Android, by Hangover Studios.
Photo Collage Maker & Editor – the best collage maker app is a powerful tool for creating photo collages from multiple photos. It can combine multiple pictures into one amazing photo collage. The app is extremely easy to use, even for beginners. You can choose from a wide variety of templates to create your own collages.
You can add text and stickers to your images to make your collages more interesting. You can apply various filters to your images, such as blur, grayscale, saturation, and more. You can also crop your pictures to any size you want.
The app has a built-in photo editor, which can be used to apply various filters to your pictures, as well as rotate and flip them. You can also add other elements, such as backgrounds, frames, and borders.