Konami explains that starting September 27th, you can visit a participating Official Tournament Store to claim a free promo pack containing a Neymar Jr. Token Card and “Rescue Rabbit” (eFootballl™ Version).

You need to download either eFootball™ or eFootball™ CHAMPION SQUADS, and complete the tutorial and show proof you have completed it to receive the pack.

Konami owns eFootball.

Source: X (Twitter)