As your Sim family grows, so should their house.Tap the Build/Buy icon.Tap the Build tab — it has a hammer and triangle icon.Add an extra roomTap the Build/Buy icon.Tap the Build tab and select the Rooms category.Tap and drag a room onto your Sims’ home site.Resize the room by tapping and holding the wall arrows, then dragging the wall to its new position.Tap the green checkmark to complete your purchase.Move or resize existing roomsWant to move a room? Rotate it? Push out a wall? Let’s do it.Tap the Build/Buy icon.Tap the Build tab and select the Rooms category.Tap the Move/Rotate icon in the room you want to change.Make changes to the room.Move: Tap and hold the Move/Rotate icon and drag the room to its new location. Remember, you need to have free space to place it.Rotate: Tap the Move/Rotate icon to rotate the room.Change room size: Tap and hold the wall arrows, then drag the wall to its new position.Tap the green checkmark to save the changes.Customize your Sims’ dream houseTap the Build/Buy icon.Tap the Build tab and select the Rooms category.Pick the category you want to shop in, like Doors or Cabinets & Countertops.Tap and drag the item into your home.Place doors, windows, and upper cabinets on a wall.Drag floor and interior wall designs into the room you want it in.Drag exterior walls onto the wall you want it on. You’ll need to do this for each exterior wall.Drag the roof design onto the roof.Tap the green checkmark to complete your purchase.Let’s decorate!All your furnishing and decorating needs are in one place.Tap the Build/Buy icon.Tap the Buy tab — it has an armchair icon.Tap the category you want to shop in.Tap the back arrow to go back to the category list.Tap, hold, and drag the item into your home.Tap the green checkmark to complete your purchase. . BUILD & CUSTOMIZE Your Home - TUTORIAL | THE SIMS MOBILE - Duration: 7:47. KrystinMyrieXo 53,882 views. 7:47. Loading more suggestions Show more.. After 18 years as a Simmer, The Sims Mobile provides me with a whole new experience on my mobile device. No need to be home to play, my Sims are with me no matter .