We would like to show our presence on one of online shops like Amazon on screen of mobile , tablet , laptop and PC. Indeed you get screenshot what be responsive shape and use on your devices screen.
The background be simple. it could be shown nature , sea , a person who is checking his mobile or sitted laptop on a simple desk. or show someone who is checking his/her laptop on bed easily. indeed it gets the comfortable feeling to consumers to buy products. you use logo and 2-3 sentences on the design. the size should be suitable for social medias such as Instagram ,Twitter and Facebook. Instagram in vertical situation. per which of devices should be had one design or 3-4 different designs. it depends Designer's comment.