Update the software if you haven't already updated it (the latest version of software 2 or software 3). This is usually the culprit of most app crash problems.
Don't download loads of apps. Cydia alone will most likely not crash your iPhone, but installing many apps increase chances.
You buy the iPhone app
apple create the apps on iPhone
because your stupid and u don't know how to spell four
The 4S is FAST! It can switch between like five apps in less than 8 seconds and almost NEVER crash.
no you cannot use ipod and iphone apps on itunes, but you can buy the apps on itunes and put them on your ipod and iphone
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).
The good news is that IPhone tracking is available and the ... you can look out for such as the GPS tracking ... iPhone Jailbreak News - iPhone Apps - iPhone ...
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.
As long as your computer has itunes that is authorised on the same itunes account as your iphone, then it will automatically transfer all your iphone apps onto the computer
No you can not share iPhone apps.
Dont know of this app is for iPod but it does Work on an iPhone 4s. It is called geosociety. It does crash very rarely. All you have to do is save it,