A free app for Android, by Photo Cool Apps.

Carbon is an easy-to-use photo editing app. It is designed for you to create a double exposure effect on your pictures by using the galaxy effect.

The double exposure effect is achieved by adjusting the brightness of the image and the contrast. You can also adjust the color to make the picture more vivid.

In addition, you can also add a filter and use it to enhance the picture.

It also has a built-in photo editor to help you make some basic edits on your picture such as changing the brightness and color.

It has a simple design and a user-friendly interface.

It is very easy to use and it is designed for all ages.