i would like to make my house that i have in my head in this game but the house have a second floor,i would really love it if i can add another floor in the future and make it !! ♡♡ 

Hey, thanks for the suggestion! Unfortunately, I really doubt this is happening any time soon. Build mode features are not a high priority at all right now, since we’re trying to focus on gameplay at the moment. We’ll keep your suggestion in mind though. <3