A free program for Android, by apptour.

This app gives you the best and easy-to-use editing and creative tools to create funny photos. With the face swap function, you can swap your face with that of any person or animal. And if you want to remove any person or object from the photo, you can easily crop and erase them. You can even use the eraser to make the picture’s edges look more smooth.

What’s more, the image background can be changed to any image you like. And if you want to add a new background to the photo, you can choose any image from your device and crop it to the desired size.