To move a building with respect to other buildings in the sketch:
Select the building to be moved.
Tap and Hold until the tap & hold menu is displayed
Select the Move Building button (top right of the popup) Either draw the building with your finger or use the vertical & horizontal rulers to reposition the building.
Flipping a building Vertically or Horizontally
To move a building with respect to other buildings in the sketch:
Select the building to be moved.
Tap and Hold until the tap & hold menu is displayed
Select the button on the middle left to flip the building vertically
Select the button on the middle left to flip the building horizontally
Rotate a building
To rotate a building with respect to other buildings in the sketch:
Select the building to be moved.
Tap and Hold until the tap & hold menu is displayed
Select the button on the bottom left to rotate the building
The above diagram show a building rotated by 20 degrees.
Scaling a building
To scale a building with respect to other buildings in the sketch:
Select the building to be moved.
Tap and Hold until the tap & hold menu is displayed
Select the button on the bottom right to scale the building
Before Scaling the building
After Scaling the building by a factor of 1/2