It is important to place the portal so that no real-world content intersects with it or occludes it. Big flat surfaces are the best for it. Look at the picture below for best possible conditions
AR cannot work if it doesn’t have any feature points to keep track of where the camera is facing. Blank whit wall won’t work. Balnk white wall with a picture hanging in the middle will work greate
Please send any support requests to maciej@srokowski.pl