A free program for Android, by Paper Doll Apps.

Background Eraser Photo Editor is a handy application to erase the background of your photos in a very simple and fast way. You don’t need to use a separate app to erase the background, as this one allows you to remove any unwanted objects or unwanted background of your pictures. Simply upload the image you want to remove the background from and use this app to remove the unwanted objects. 

It is very easy to use, as it has a very simple interface. You don’t need to download any additional plugins to remove the background, and you don’t need to install any additional software. It is a standalone app, so you don’t need to download it from the app store. You can use it on any device that is capable of running the app.