You can store your downloads in your account when you signup!
Place your new game app screenshot on this large, high definition mockup. The black iPad is being held in landscape orientation. The man has both of his thumbs on the 1024 x 768 px screen gaming style. He is sitting on a leather couch wearing comfortable jeans. The rug below has brown and tan geometric shapes.
Drag & drop not supported, but you can still upload via this input field: