Unfortunately, this has been the case since the trainer was created. That option only freeze the timer, but not actual mini game.
You can use infinite item cheat to get more items that help the mini game complete easier, I believe.
It's option 3, to duplicate items especially using your storage in your apartment.
[Edited by DrummerIX, 3/21/2017 8:35:02 AM]
I just use the unlimited items and mutitool all my hacks