The iPhone/iPod Touch App Store is officially open for business and the leading brands in mobile content are practically falling over themselves to put their wares in the shop window.

Well, they're sending al lot of press releases at least. In no particular order:

• Gameloft has released Diamond Twister, Platinum Solitaire, Platinum Sudoku, Bubble Bash (all $7.99), Brain Challenge and Chess & Backgammon Classics (both $9.99).

• MySpace has unveiled a new MySpace Mobile application that is "deeply optimised, engaging experience designed for the portable screen of the iPhone". The app will be available from App Store in 12 languages by the end of July.

• Electronic Arts has released three games via the App Store in the form of Scrabble (US and Canada only), EA Sudoku and Tetris. An iPhone version of upcoming console game Spore will be made available in September.  
  

• Glu Mobile has released Space Monkey for $9.99.

• Shazam has ported its music ID and content discovery app for Apple device, with a deep link into iTunes enabling the user to buy tagged tracks.

• I-play has served up a puzzle game in the form of Numba, which has been developed by Cobra Mobile and is priced at $9.99.

• Pelago, backed by Kleiner Perkins Caufield & Byers’ $100 million iFund, is offering social networking/discovery service Whrrl as a free download.

Ad-funded mobile games specialist Greystripe says its AdWrap technology is now working for the iPhone, so publishers can incorporate advertising into their games to either subsidise them or give them away for free.

Handmark has unveiled its Pocket Express news and information service for iPhone.

To recap, Apple's App Store went live yesterday (10th July) at 5pm GMT in support of today's launch of the iPhone 3G.

Apple says that of the 500 applications available at launch, over a third are be games-related – and 90 per cent of the service’s offering will be priced at $9.99 or less.

Content providers get to keep 70 per cent of the revenue.