You can store your downloads in your account when you signup!
Using a Samsung S5 mockup, a woman opens her cupboard filled with colorful items. She looks at your app in this Android mockup. This warm, homely scene is a good mockup for any app or design you want to showcase in portrait mode. You can drop an image or choose a URL to download this great mockup.
Drag & drop not supported, but you can still upload via this input field: