WHEN it comes to providing location-based services to your mobile phone, there are some very big boys playing the game.

一谈到为手机提供的移动定位服务，就好像在说一些互联网大鳄正在玩的游戏。

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For example, iPhone owners are twice as likely to see mobile web ads and four times as likely to see an AD while playing a game on their phone or while using a location-based service.

例如，iPhone所有者观看手机网络广告的可能两倍于其他品牌手机用户，并且在玩手机游戏、使用手机定位服务时看广告的可能性也四倍于其他用户。

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The new RPG (role-playing game) Parallel Kingdom for Android and iPhone uses location-based networking to let you see other nearby players on a Google map.

平行王国（Parallel Kingdom）是Android和iPhone手机上最新推出的一款角色扮演游戏，其定位网络可以让你通过Google地图看到周围玩家在做什么。

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In a July 26 interview, Founder and CEO, Seth Priebatsch, explained that his first product, SCVNGR, for which the parent company is named, is a location-based game with a simple premise: visit businesses, play games, get rewards.

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Though the smart phone itself has been out for a few years now, its value as a game device and its game play mechanics (i.e. using the accelerometer or location-based systems) have only begun to take off relatively recently.

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