Posted by Ian Lake , Developer Advocate As a developer, there’s a wide range of features added in Android N to take advantage of , but when it comes to designing and building your UI, having strong multi-window support should be at the forefront. The primary mode that users will be interacting with multi-window is through split-screen mode , which is available on both handheld devices and larger tablets. In this mode, two apps split the available screen space and the user can drag the divider between the two split screens to resize the apps. As you might imagine, this mode offers some unique design challenges beyond what was needed previously.