Patent ID: 8257177

Claim:
A method of interactive game play among a plurality of mobile wireless devices and a target source, wherein each of the mobile wireless devices includes a user interface, the method comprising: running a game program for interactive play of a game on the mobile wireless devices, wherein the game program determines a pictoral representation of the game on the user interface of each of the mobile wireless devices; in the course of running the game program, each mobile wireless device (i) detecting a wireless signal from the target source and (ii) determining a radial proximity of the mobile wireless device to the target source based on a signal strength of the wireless signal; using the radial proximity of one of the mobile wireless devices to the target source to alter the pictoral representation of the game on the user interface of each of the mobile wireless devices calculating a distance of at least one of the mobile wireless devices to the target source based on the signal strength; and outputting the distance to the user interface of at least one of the mobile wireless devices.