huh you found easter egg 5...
i guess you deserve a hint. or 2.
easter egg 1 is a secret button, HARD(hint)
easter egg 2 is a secret button, VERY HARD(hint)
easter egg 3 is the STICKER RARITY LIST, EASY
easter egg 4 is STATS, MEDIUM
easter egg 5 is easter egg 5, HARD(hint)