Bugs and cheats listed below can be replicated on a device without the need of cheat tools.
Gym gives compatibilities to Pool in West/North, but this shows up as East/North.
Queen of Briton says "I am the king." instead of "I am the queen." when you unlock the investment.
There are two different carpets named "Blue Carpet" with different shades of blue and different stats.
Ship upgrades adds vertical/horizontal spaces on the ship. For horizontal upgrades, it will copy all the carpeting in the front row tiles of each floor of the ship. By adding expensive carpets (Persian rug/Gold Carpet) on the front row tiles of each floor before doing upgrade, thousands of dollars can be saved from doing carpeting works. Especially useful when preparing a maze on the 1F.