LONDON: The greenlighting department at Apple certainly loves bit of retro-themed, mildly dystopian programming. Joining the ranks of “For All Mankind” and “Severance” is “Fingernails” — the feature-length directorial debut from Christos Nikou which stars Jessie Buckley and Riz Ahmed as (possible) soulmates in a world where true love can be validated by a scientific test.