Google is testing a splitscreen view for Android apps on Chromebooks
 

The latest update to Chrome OS' Canary test channel should make multitasking on a Chromebook easier. Now, in addition to split-screening two native Chrome OS apps on your machine, you can run a Chrome OS app and an Android app side-by-side or two And...

https://www.engadget.com/2018/02/19/...itscreen-apps/