Customize sharing options in iMovie on iPhone
You can rearrange items or set which items appear in the iMovie share menu.
Do one of the following:
From the Projects browser: Tap the movie or trailer you want to share.
If you’re editing a project: Tap Done (in the upper-left corner) to return to the project details screen, then tap the movie or trailer you want to share.
Tap the Share button , tap More from the middle row of options, then tap Edit.
Do any of the following:
Show an item: Tap to turn it on.
Hide an item: Tap to turn it off.
Add an item to Favorites: Tap the Add button (+).
Remove an item from Favorites: Tap the Remove button (–).
Rearrange Favorites: Drag the Rearrange button for each menu item you want to move.