Can it be applied to genuine leather seats or high-end Alcantara (suede-like) seats? 

Yes. It can be applied.

Nano Zone Coat Mobility is not a coating that forms a film over the material; instead, fine particles of self-bonding titanium dioxide adhere directly to the material's surface.

Therefore, it can be applied to premium materials such as genuine leather and Alcantara without compromising their original texture or feel.

However, some materials with special surface treatments may require confirmation, so please consult an authorized shop in advance.