Maybe that app can help you sync.

BUT there is a deeper issue here. There is NO STEP BY STEP PROCEDURE POSSIBLE because there are so many apps that no one could guess what app that would be acceptable to use. Let's hope DOUBLE TWIST will let you sync and get it done.

-> And let's be clear that ALBUMS are unlikely to transfer for what would be a far too long explanation to write here. I'd hope for folders of pictures and be happy if that worked.
Bob