I can see your footer, top and bottom, on all devices…
In your top footer you have added a content rotator, but there are no posts that fit the criteria you have set for that content rotator so all that is getting displayed is the “Featured” heading.
In your bottom footer you have added the heading “Socialize much?” and a row of six icons.
As I say, I can see that content on all devices.
If you are not seeing what I am seeing, that suggests a cache issue.