A free app for Android, by Photo Cool Apps.

If you want to create your own mosaics but can’t find the right tool for it, Mosaic Photo Effects is exactly what you need. It is a powerful photo editing tool that is easy to use. With it, you can make a beautiful mosaic photo collage in no time.

How to use it?

First, you need to install this app on your device. 

Next, choose the pictures from your camera roll or gallery and apply the desired Mosaic effect. You can choose from different frames as well as backgrounds and backgrounds. 

After that, you will be given an option to adjust the transparency and add other effects.