Use the sidebar to open freeform apps in a small window that you can move and resize.
Go to Settings > Gestures.
Or, open the Moto app and tap 
Tap Sidebar and turn Use sidebar on 
You'll see a sidebar on the right edge of your screen. Swipe it in to see a menu of apps that you can open.

On the sidebar, tap 
Or, go to Settings > Gestures > Sidebar > 
Customize the menu:


In addition to the sidebar, you can set apps to open in freeform mode from your notifications.


If you use Gametime, it has its own sidebar menu that opens apps. You set up the apps for that menu separately.