App Store Screenshot Design

We need someone to design the screens shots for our iOS and android app listings. We already have a concept design in mind and i can send you this concept when we discuss the project. I do not mind paying for any images that we need for the design or even using royalty free images as long as we are provided with the source of the images used.

We need delivery of the source files upon delivery of the work along with the images in the correct recommended image sizes as per the scope in the Apple App store and Google Play store.