This is the mock-up of the brochure is going to do.
https://mockups-design.com/free-a4-brochure-mockup-2/
Photoshop CC 2018
Paper base
Front cover
Two-page spread
Tablet
In general, this holds the brochure in tablet in his hands can look it and read my view on the tablet. Look big the images in tablet mode and the see the writing in the tablet.
Secondly, show this on a mobile phone like example Google Pixel Quite Black show here and can look at it and read my view on the phone. Look big the images in the phone and the see the writing on the phone.