A free program for Android, by Bip Studio.

Cool photo Pho is a useful tool that lets you apply artistic effects to your photos. Cool photo Pho provides various unique effects that can enhance the beauty of your image and let you take a creative picture. It is designed for you to have fun with the effects of the photo editor on your phone.

There are a lot of different filters that you can apply to the images to make them more attractive. 

You can change the background color, and also the colors of the filter. You can change the brightness and saturation of the images. You can use the opacity of the image and also the blur effect.