Cut Me In is a new iOS app that simulates the Photoshop lasso tool and the eraser tool.
You can choose a background from those provided or use something that is already on your camera roll. Bring up a picture, then use your finger to trace around an object and the image will be dropped in front the background photo. Chances are you won't be perfectly accurate with your selection, so there are different erasers you can use to clean up unwanted pixels. You can adjust the location, zoom, pan or rotation of the image.
Your finished image can be shared on Facebook,