Yes they do but remember to upgrade to the latest iOS version 6
yes, but not all iphone 4 apps are available on the iphone 3gs/3g/2g becuase they are too high resolution apps, or need a front facing camera.
only games can
yes the new iphone 4 will be inproved with new features such as and new camera with strong pixes. It will also have knew apps better then funface and oovo will be a new app !! I HOPE !!
The app that you are trying to open may not be compatible with your version of iPod Touch software.For example, if you have the iPod Touch 3.0 software, a lot of apps will not work with it because the apps are not compatible with that specific software.Some apps state in their summary that it isn't compatible with certain iPod Touch software versions.
Although iPads can download apps made only for iPhone/iPod Touch, the iPhone can only download iPhone or iPhone/iPad apps. Apps made only for the iPad do not appear on the App Store. Luckily most of these apps have an iPhone counterpart such as Angry Birds (iPhone) and Angry Birds HD (iPad only).
You can't lock your iPhone apps without jailbreaking the phone.
it has 27 apps
Almost all of the applications on the iTunes store is compatible with the iPhone 4. Exceptions are applications which are for the iPad.
Well it was said that the iPhone 5 would have a much thinner screen then the iPhone 4. Then the Iphone 5 would have more and better apps on it.
the difference between a iphone 4 and iphone 5 is that the back is made out of aluminium and it has 5 row of apps on a page
the difference between a iPhone 4 and iPhone 5 is that the back is made out of aluminium and it has 5 row of apps on a page
it depends on how many gb's you have.