Google added the ability to run apps side by side in Android N but so far we could only run different applications side by side, which means if you wanted, say, two browser windows side by side, you'd have to install a separate browser alongside Chrome to do that. Well, Android N Developer Preview 3 fixes exactly that. Now, you will be able to run Chrome windows alongside each other. With a new option in the Chrome menu, you can move a tab to the space next to your current window, which then creates another instance, and then you can use it to open other tabs. The OS remembers...
Source: http://www.gsmarena.com/android_n_developer_preview_can_now_run_chrome_side_by_side-news-18346.php