Thank you for contacting KONAMI Customer Support
Regarding your concern, we would like to inform you that the description for the Hall of Fame will be displayed after tapping the right arrow icon at [User Information], under [How to Play] in the HELP page.
The following is stated in the mentioned section: "When the player with certain requirement has participated to more than 80 season matches." However, please take note that the said "certain requirement" cannot be disclosed to the users.
Your kind understanding is greatly appreciated.