A free app for Android, by IndiAppsLTD.
CB Background Photo Editor is the best photo editing app for Android phones and tablets. You can use it to make your photo look better by adding some effects, resizing it, changing the background, and more. It has a nice collection of backgrounds, stickers, and other effects. You can also add some text and draw different shapes.
You can also make it look like you are on a different background by adding different effects. You can even add a different color to it. It also has a nice collection of fonts.
The best thing about it is that you can do all this in just a few minutes. It is very easy to use and understand.