It’s easy to make your free-form landing pages look great on a smartphone.
The mobile view works on screens that are 480px wide (or less). In other words, smartphones. Here’s more info on device resolutions.
Go to Marketing Activities.
Select a free-form landing page.
Click Edit Draft.
Click the Mobile tab.
Click Activate.
The free-form template may need to be upgraded. If you see that message, quickly read about how to make an existing free-form landing page template mobile compatible.
Great! You have now activated the mobile version of your landing page. Click Close.
You can now customize your mobile view.