The ten cards and Here
Camera
Your postcard
Saved postcard cards
Saved cards stay on this device. You have none yet.
Postmark
Each card is a place in London. A card opens when you stand within 150 metres of it. The Here card opens anywhere. You take the photo with your camera, and it becomes a postcard with a postmark.
Finding your position.
Saved cards stay on this device. You have none yet.