Press the yellow button on a controller to open the menu. To close the menu, press that button again. The menu opens near the controller.
Access the tools from the menu.
Group—activates when you have 2+ objects selected
Undo & Redo—undo changes related to scene editing
Snapping—aligns objects on a grid when moving
Gizmos—activates movement, scale and rotation controls on objects
Preview—makes the tools invisible on a scene