Before I remember if it's possible, you can export your creased object in OBJ format from Rocket 3F and reload it inside MOi by SubDivision / Create from a file...you will have your creased edges!
I had a little problem export Import Moi <--> Rocket 3F but with reloading last version of Bridge !
All is perfect !
So more easy !
In Rocket Select something Subdivided or Not : Press the Icon "MOI" (or CTRL + Alt + A)
In Moi : Select Something Subdivided or Not : CTRL + Alt + A
That all!