Direct link (avoid redirection). Tick this box if you don't need redirection. Redirection is banned in some sources, for example, Facebook and MyTarget. In this case, you can choose only one landing page.
Important: if you select “direct link” and then change your landing page, your stream link will change. If you have a short stream link (you did not check the “direct link” checkbox), then when you change the landing page/prelander, the link will not change.
Lead traffic to a mobile landing page automatically. Ticking this box will let you to lead all users who signed in with the help of mobile devices to a mobile or adaptive landing page. It works only if you selected several landing pages among which there's a mobile or adaptive landing page.