To configure Multi Edit Actions, in Mail View tap More... | Global | Customize Menus | Configure Action Buttons | Configure Multi Edit Actions.
Select 4 Actions.
Already Selected Actions will be Greyed Out.
| 
| Delete | | 
| Archive | | 
| Mark Read/Unread | | 
| Star/Unstar | | 
| Move | | 
| Mark All | | 
| Done/Undone |