Tap on arIKEA to switch between the 3D viewer page and this instruction page.
Tap the 'View in your space' button at the bottom of the 3D viewer page to enter the augmented reality mode.
(You may have to provide camera permissions before using AR.)
Once in AR mode, move your camera around (figure 8 motion recommended) to create a 3D map of your space and track camera position.
Choose a furniture item from the catalogue in the sliding menu.
Use your phone in landscape orientation for best results!