Using Nokia 5500 phones, the team was able to utilize the phone’s accelerometer for various tack and yaw functions. They also utilized RFID phones for some pretty intriguing mixed reality games.
The most notable of the games was a real-world Pac-Man game called Pac-Lan. Using RFID tags on players and tags positioned around a pedestrian area, they were able to make the game happen in the real-world. There was a Pac-Man and ghosts and pellets all existing simultaneously in the real-world and online.
As you can see, the game play is something like an elaborate game of tag:
It would’ve been even more interesting all the players had an N95 and their location would be translated in real time!