Bandai Namco has non-stop sign-ups for a Naruto to Boruto: Shinobi Striker PlayStation 4 sealed beta test, that will run from Dec 15 to 16, in a Americas and Europe.
Users in a Americas can pointer adult here, while users in Europe can pointer adult here.
Here is a full report for a sealed beta test:
Read about a calm of a beta here.
Naruto to Boruto: Shinobi Striker is due out for PlayStation 4, Xbox One, and PC in early 2018. In Japan, it will usually be accessible for PlayStation 4.