Pig Shot has just received a major update, the update provides 17 new Game Center achievements, new obstacles, a female pig (Maggie) character, progressive gameplay mode, a new leaderboard format and more. Better yet, the game is now universal so players can enjoy it on any iPhone, iPod Touch and iPad. The price of the game remain unchanged at $0.99 for the universal app. It’s a steal! » Pig Shot Updated With Game Center, Retina Display Support, Universal & More.

“Introducing HackCenter. Available soon on the Cydia store. This hack allows you to send any score that you want to Game Center, and it works with every game. In this example, I show how you can use HackCenter to submit a fake score for Fruit Ninja.” After the break you can check the video where buzzert1 shows how his Game Center hack works. » HackCenter: Game Center Hacked [Jailbreak] [Video]

The developers of Doodle Jump “one of the most popular iPhone games in the App Store” are planning to release a new update soon. This time its not just a new level, but they are working on a multiplayer function for the Game Center. Lima Sky said on Twitter: Testing Doodle Jump Game Center multiplayer racing. It is totally SICK! Get ready for some serious realtime competition against your friends. » Doodle Jump Will Get Multiplayer Via Game Center Soon!

At the Media Event Steve Jobs already talked about iOS 4.1 but only told us that iOS 4.1 will be released “somewhere next week”. But now the Apple website is saying that the new firmware will be out on Wednesday, 8th September. iOS 4.1 will bring us new features like the Game Center, the ability to upload HD videos, HDR Photo and Ping inside iTunes. Also it includes really important bug fixes such as, proximity, Bluetooth and iPhone 3G issues.

Now we finally know if all the rumors about the iPod Touch 4 are real or not. What about the retina display, does it have a camera, will it have a new design, etc. Well Steve Job told us all about it in the Media Event today. First of all, yes it will have a front facing camera for FaceTime and a rear camera for HD recording. Second it has a Retina display and a A4-processor just like the iPhone 4. They have upgraded the device with a 3 axis gyro for better gaming experience. Last but not least, it will run on iOS 4.1 with Game Center. » Media Event iPod Touch 4 Details!

Apple has recently releases iTunes Connect Developer Guide 5.5 (Download the 146 pages PDF File Here). You can read how to get your app ready for the Game Center, Which requirements your iPad screenshots and icons should meet and more.

• iPad screenshots, icon and delivery requirements as well as details on a new status called Missing Screenshot;
• Details on how to enable your app for Game Center and set up your Leaderboard to test using iPhone SDK 4 beta;
• Interval pricing details to help you learn how to schedule price tier changes in advance for your apps and in app purchases;
• Information on the Over the Air download limit;
• Recommended app name character count for optimal display on desktop and device App Stores.

Source [iPhone Developer News]