April 2018
Beginner
468 pages
11h 7m
English
When building for mobile devices, you can't specify resolution and aspect ratio. However, you can choose between screen orientations in mobile devices. There are two different orientations: Landscape and Portrait.
Games built so that they are wider than they are tall are said to have landscape resolution. Games build that are taller than they are wide are said to have portrait resolution. For example, a 16:9 aspect ratio would be a landscape resolution, and a 9:16 aspect ratio would be a portrait resolution, as illustrated:

So, while you can't choose the exact aspect ratio of a mobile game, you can choose the orientation, ...