The only thing that I found in Simulate mode it on the object to the changes necessary to press K to save changes.
Changes i mean is Position/Rotation/Scale.
When you create a duplicate or new facilities it no longer works.
How to create copies of objects without leaving the game (editor)?
How to remove the objects without leaving the game (editor)?
How to change Static property> Movable in the play game (editor)?
How to make save the changes of objects after the PLAY/STOP in editor?
// OS X / UE 4.11.1