Mobile versions or associated apps often require an initial download followed by a large internal patch (often several GBs).
On PlayStation, you can often find free add-on packs (like the Amitoi and Outfit bundles) by checking the game's page on the PlayStation Store and adding them to your collection. Download mobilis7day tnl
For a visual walkthrough on claiming free promotional items like outfits and Amitois during your first week, check out this guide: Mobile versions or associated apps often require an