A free app for Android, by AppsDroid Infotech.

Auto cut paste: background changer is a tool that is very easy to use and helps you remove unwanted objects or even unwanted backgrounds from your photos. You don’t need to do anything special to use it. All you need is your phone and you can remove any unwanted object or background in just a few seconds. You don’t need to wait for hours to get a good result. You can use this app even if you have no prior experience in using photo editing tools.