NO SPOILERS] For people wanting avatars, you can contact playstation live chat and they will give you a set of codes to redeem : r/FFVIIRemake
Here's a link to all the free themes and avatars. They will be leaving the store on mobile and the web so this is probably the easiest way to get it before
PLAYSTATION STORE – 5 kostenlose Warframe Avatare / Play Experience
Alles was ihr über die PlayStation Apps wissen müsst! – Der deutschsprachige PlayStation Blog
Playstation Avatar ändern ✓ Tutorial [Deutsch/HD] - YouTube