iOS
Hardware

The iOS currently runs across three devices made by Apple: the iPhone, the iPod Touch, and the iPad. With the exception of the iPad, there are multiple versions of these devices, though they share the same basic design that debuted with the original iPhone back in 2007. This consists of a multitouch-capable LCD display, along with a single "home" button below the screen. The original iPhone, iPhone 3G, and the first three generations of iPod Touch have been phased out, leaving just three models currently available: the iPhone 3GS, the iPhone 4, and the fourth-generation iPod Touch.
The iPhone 3GS is powered by a 600Hmz ARM Cortex CPU, along with 256MB RAM. It also features a 3.5 inch 480x320 pixel display. The iPhone 4 and fourth-generation iPod Touch are powered by an ARM-based Apple A4 chip, running at an undisclosed clock speed, accompanied by 512MB of RAM. They feature an accelerometer and a gyroscope as well, which can be used for controlling games. The display offers a substantially higher resolution than the iPhone 3GS, with a pixel count of 960x640 at 3.5 inches. Because the display is double the resolution of the old one, existing games and applications can simply be stretched to fill the screen without any additional work from developers.
We've been testing out games on a 16GB iPhone 4, which currently retails at £499 for a SIM-free model. If you're not interested in making phone calls, you can save a substantial amount with the iPod Touch, which lacks the 3G capabilities of the iPhone 4 but retails at £189 for the 8GB version and £249 for the 32GB version. Because Apple makes the operating system and the devices, there's little choice when it comes to hardware, which is not the case with the Android and Windows Phone 7 because their software is licensed to various manufacturers. That means you're stuck paying prices dictated by Apple, and if you don't like the design of the iPhone or iPod Touch, you're out of luck.
Game Center

Game Center is Apple's take on online gaming services, such as Xbox Live and the PlayStation Network. It brings friends lists, achievements, and online multiplayer to iOS devices. Not everyone can get in on the action, though, with the first-generation iPod Touch, iPhone, and iPhone 3G listed as incompatible. You'll also need an iTunes account or Apple ID to associate with the service.
If you do have a compatible device and are signed up for iTunes, then you'll be able to boot up Game Center as soon as you have the latest version of iOS installed. Be prepared for a shock when you do, though; Game Center is the most un-Apple-looking application we've seen for some time. Instead of simple fonts and complementary color schemes, you're presented with a garish green background and faux-wood paneling, complete with an art deco font and brightly colored ribbons. Though Apple's usual design aesthetic may be monochromatic, at least it's easy on the eyes.
Colors aside, Game Center itself is easy to use. There are four buttons at the bottom of the screen that allow you to access different functions: Me, Friends, Games, and Requests. Me is the home screen, displaying how many friends you've got, the number of games (that are Game Center compatible) you've got, and achievements. You can also change your status, which is displayed underneath your username in your friends lists. Speaking of friends, you can check out what they're up to at any time by hitting the Friends tab. Their usernames, status, and current games are displayed in a long list. Tapping on someone's name lets you view that friend's profile, where you can see his or her friends, games, and achievements, as well as a list of games you both own. Underneath that is a list of games he or she has that you don't, and tapping one of those takes you to the App Store to buy it.
You can dive further into your friend's statistics by tapping on a game you both own. You can view his or her ranking in leaderboards, along with his or her top score. Underneath that is his or her achievement list for the game, and you can tap "show more" to view specific achievements and compare them to your own. If you find a game that supports multiplayer, you can tap the "play" button, which loads it and automatically sends a request to your friend. The Games tab works in a similar way, except it lists scores solely for your own games. It's a shame there isn't a separate leaderboard tab to give you an overview of your scores because you have to tap into each game and then tap again to access the leaderboard. That quickly becomes a chore if you're trying to keep track of your progress across several games. The final tab is Requests, which allows you to send friend requests to pals, provided you know their username or e-mail address. It also lists any pending requests you have from others.
While Game Center offers a lot of great features, some are implemented in strange ways, and there are also some glaring omissions. For instance, achievements don't add up to a final gamerscore on your account, which lessens their appeal. There's also currently a free-for-all on how many points you receive for an achievement, so one game may contain 175 points and another might contain 500. The lack of integrated chat is also a mystery. Yes, there are a number of chat apps available to download, but a system integrated into Game Center would be much more convenient. A central service would also encourage developers to include chat in their games because currently, it's entirely on them to implement it.
Table of Contents
Featured Games
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Angry Birds
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Radiant HD
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Angry Birds Halloween HD
(IP)



