Scratch Off from Merge Mobile is an interesting app that mixes photography with private messaging in an entertaining way. The app turns your photos into a game by letting you hide certain parts of the image before you send it off to a friend. You can apply an erasable layer that can be scratched off, or you can hide the photo indefinitely using a permanent layer. This layer can be a coat of solid paint or a collection of different stickers that you place on the photo. You can also add text and freehand drawings.
When you first launch the app, you have the option of taking a new photo or opening one from your photo library. The first layer you apply is the permanent one and you can
