A or style guide for a mobile device interface (given the vertical aspect ratio).
Could you clarify if you are looking for a about this design, or were you perhaps looking to generate an image using those parameters? 1280x2560 Gradient blue, orange, green and yell...
It sounds like you're looking for something specific related to that resolution and gradient color scheme , but I want to make sure I provide exactly what you need. That phrase could refer to a couple of different things: A or style guide for a mobile device