Every iPhone and iTouch runs a version of iPhone OS. It’s the software that runs “behind the scenes” to show you the home screen with the list of your applications, to let you install and delete apps, and to do all the other bits of housekeeping that you don’t see. Sometimes you need to know what version of iPhone OS you are running – here’s how to find out.

Riddim Ribbon, a brand new game from the masterminds behind Tap Tap Revenge, is now available on the iTunes App Store! This isn’t just another differently-branded version of the “Tap Tap” style, it’s a completely new style of game with different gameplay and fantastic graphics.

Using a web app with your iPhone or iPod Touch is easy – you just go to the web page for that app. The trick is knowing how to make the app appear on the main screen like other apps. Here’s how to install a web application so it works just like a normal iPhone/iPod Touch application.

For regular iPhone and iPod Touch Apps you purchase and download them from the iTunes App Store. You access the App Store from your iPhone or from iTunes on your computer and select and download the app you want. So what’s different about a web app and why does it matter?

This web app provides a live cricket scoreboard for your iPhone. This little web app provides live cricket scores for important cricket series. You can switch between different matches with just a click and get up-to-the-minute scores wherever you are.

Was your new year’s resolution about practicing or learning another language? Learn10 is designed for adult language learners, it aims to “give you a learning habit that’s hard to kick.” Amongst other modalities, they have a web app suitable for iPhone or iPod Touch users. They also offer a toolbar and screen saver for Windows users, and can be found on Twitter, Facebook, and other places.

If you sign up for Shoot It! New Year’s Eve Freebie you’ll get to send five free postcards to friends in America, as well as a chance to play with the free Shoot It! software. These aren’t email postcards or MMS postcards – they’re real physical postcards the postman will deliver to your recipients!