It can do iTrack for iPhones, MyThings for iPhone, Sketches & Cartoon Me and many more. Lots of apps are there in iPhone3.
There are many apps that you can choose from that will work on your iPhone 3G. These include Opera Mini, Google Translate, Optime Games, and Touch4.
It depends on the iPhone's capacity (8gb, 16gb, etc.), and what kinds of apps you are using, since each app takes up a different amount of space.
If you have an Iphone you can find free mobile apps from the Apple Apps Store. There is an app on the Iphone that will take you directly to the Apple Apps store so you can get free apps straight from your phone.
All starting apps on your iPhone and all apps that you downloaded for free are free to use. Though, not all apps are not free from the beginning, all apps that you have downloaded are free for you to use as long as you want.
iPhone can hold 144 apps plus 4 on the dock
it has 27 apps
it depends on how many gb's you have.
There are many Emoji Apps in the App Store!
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.
you can thousands of apps and videos on an 16gb iphone.
Over 3 billion apps are currently in the iPhone app store.
the usual apps that come with an iphone or an iphone 4 are: ~Phone ~Calendar ~App Store ~Photos ~YouTube ~and much more hope this helped:\
Around 20,000 with no apps
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).
By the time I answer this question there are ~285,000 iPhone / iPod Touch apps on the iTunes App Store.