Multi-window mode a reality on Android N : freeform windows like Remix OS
Android N is finally making multi-window mode a reality on Android, but the included features are somewhat limited. There's support for split-screen apps, but what about true resizable windows a la Remix OS?
To enable the feature, simply input the following through adb (remember to enable USB Debugging on Android N):
adb shell settings put global enable_freeform_support 1