Yes, when you jailbreak your iPhone it can still do everything it could before the jailbreak. A jailbroken phone only allows you to do more. You will have a second app store known as Cydia that allows downloading of apps that are not approved by Apple for various reasons. These include apps to change themes and fonts on your iphone. Also apps for wifi tethering are available.
you can still get it sometimes but sometimes the app store dose not work for example on my iPod it works but on my iphone it does not work
Yes, apps can be of anything :D
Yep
There is a way to JailBreak your iPhone to make it run the third party app store.
There is no way to do that. If you jailbreak your iPhone there is an app on Cydia that does that.
You can not get Siri if you jailbreak a iphone 4. In order to get Siri you have to download the app.
You can jailbreak an iphone 4s easily. All you have to do is go online and download the app for it.
Yes but you have to jailbreak it first or wait for the SDK
Cycorder is your answer. It is free but require that you jailbreak your iPhone.
No, there is no way to jailbreak iOS 6 without a computer. Only older iOSes can.
The App Store? Yes.
No. You will have to jailbreak your iDevice.
you can use and phone for lodes of stuff text, app store lodes more
you cant unless you jailbreak it then you can download an app called ibluetooth
Sorry, your gonna have to jailbreak your iPod or iPhone. Then you can get your app from cydia