Here you can change the set, purchase a new house or furniture for your character.  To change the set, just click on the icon you like. A red frame will appear around the icon.

Section “Houses”, subsection “Rooms”

After you purchase an item you can check the box “Show item” to see it in your room, or uncheck it to stop seeing it. In this case, all the purchased items will remain available to you.

Section “Houses”, subsection “Custom”

Section “Houses”, subsection “Motel”

Section “Houses”, subsection “Condo”

Section “Houses”, subsection “Modern house”