In your Admin Panel, go to the Content Tab and select Branding.
Sign In Logo
Update your logo on your sign in page.
Browser Tab and Bookmark Icon
Upload your preferred Favicon. There are tools here to generate a Favicon if needed.
Update the Icon that is used when people save your mobile site.
Used in the Browser Title, system emails and other places.
Mobile App Product Name
These are used in the Display and also in the saved name.
Mobile App Color Theme
Totally customize your Mobile Version. This works with the new mobile version that will be coming in 2019.