The following are known Action Replay Codes for Mary-Kate and Ashley: Magical Mystery Mall on Sony Playstation (PS1).

The codes should work with the region specified but may work for other regions as well.

Device Compatibility: Action Replay, CodeBreaker & GameShark

Max Tokens
800c85c80039

Have All Jewels
d00a686a0000
800a686a0005

Infinite Time
800dae045000

Hit L1 For Max Tips
d00cdeb2fbff
800db75cffff

Hit L2 For Max Sales
d00cdeb2feff
800dadfcffff

Max Exposures (Film)
300c85c90036

Hit R2 For More Picture Time
d00cdeb2fdff
800a51545641