Before setting up your campaign, you must create the necessary graphic elements.
Please check this article that will explain all the essential information for the graphic creation of your campaign: Creating your games graphics.
Media gallery
Elements to be provided
Mobile background image in .jpeg or png format: 320 pixels wide on a free height depending on the screen and the content to be displayed.
Visual button “publish my photo" in.png format: 30 to 100 pixels max * 150 to 310 pixels max
The media gallery can have different graphic renderings depending on the type of gallery chosen: classic - mosaic or infinite, and take more or less space on your game page.
You can freely choose the size of the images and the size of the margin between them by manually adjusting the sliders of the appearance customization menu:
Thus, the number of images on the gallery will depend on the size of the images: the smaller the images, the more images there will be on the media gallery.
You can also manage the size of the gallery by clicking on it and manually adjusting the marks:
Summary
Final rendering desktop & mobile
Desktop & Mobile backgrounds
