[dropcaps]Usually associated with TouchWiz, Multi-Window is an incredibly useful feature whereby apps can be arranged on your Android device side-by-side. Android M is already set to introduce a ton of new features, and Multi-Window could be another one.[/dropcaps]
It requires some tweaking and ADB commands to activate, but it is included in the Android M Developer Preview and appears to just be disabled, which means it could debut as an ‘offical’ feature closer to a final release.
It’s buggy, but you’ll be able to arrange two windows side-by-side on a vanilla build of Android M, so is definitely worth a try, and certainly increases the productivity appeal of something like the Nexus 9.
Head on over to Reddit for full instructions on how to activate it.