Marshmallow is Android 6.0, the very latest that Google has to offer. Alongside headline features like Now on Tap and Doze, there are dozens of less-publicised additions that can be just as helpful. One of these is an early implementation of a long requested feature: Multi-window mode. With this, you can have two apps on-screen at once, making multi-tasking much easier. Here’s how you can enable it for yourself.