San Mateo, Calif. - Mobile advertising firm AdMob on Tuesday announced the release of an advertising unit for Google's (NASD: GOOG) Android mobile device operating system, which will allow developers of applications for the Android platform to profit from their creations. The first developers to utilize the new ad unit in their applications include AccuWeather, Jirbo and TapJoy.

New York - CBS-owned (NYSE: CBS) social music discovery service Last.fm announced on Friday that it has launched a music streaming application for Google's Android mobile phone operating system. Features include similar artist listings and genre-specific streaming radio stations, personalized streaming radio, updated concert information and the ability to track listening habits to a Last.fm profile. The company already offers an iPhone application in Apple's App Store.

San Francisco - Music-focused social network Imeem on Monday announced the launch of a mobile advertising platform for Android, Google's (NASD: GOOG) mobile device operating system. The company said Kia Motors has signed on as the first brand advertiser to use the platform. Imeem also launched a new version of its music streaming and recommendation application for Android.

Los Angeles - A number of social media services on Tuesday announced the release of applications designed for Android, the mobile phone operating system developed by Google, including social music service Imeem, music identification service Shazam, and the MySpace (NYSE: NWS) social network. Both Imeem and Shazam said their mobile music services will allow users to tag songs they hear for purchase via the Amazon MP3 store. The MySpace application for Android also integrates Shazam, meaning that MySpace Mobile users on Android-powered phones can hold them up to speakers and have the song being played identified automatically.

New York - Mobile network operator T-Mobile USA on Tuesday introduced the G1, the first mobile phone to feature Google's Android operating system, which will sell for $179 with a two-year voice and data agreement when it goes on sale first in the U.S. on Oct. 22. Viewed as a smartphone that will challenge Apple's iPhone, the G1 -- manufactured by Taiwan's HTC -- features both a touch-screen display and a full QWERTY hardware keyboard that slides out from underneath.

New York - The first mobile phone to utilize Google's (NASD: GOOG) new Android operating system software, HTC's Dream, will cost $199 when it goes on sale later this month, The Wall Street Journal reports.