A free program for Android, by Jim Britain.

Photo Filter – Editor is an application that will help you edit and enhance your photos using various filters. This application is easy to use and has a user-friendly interface. 

With this app, you can apply various filters to your photos such as the popular filters like overlay, color, brightness, contrast, slight, medium, dark, hue, sat, color temperature, tint, blue, green, orange, red, and many others. 

You can also apply effects such as bokeh, focus, blur, crystal, glow, rainbow, direction, North, South, East, West, and many others.