Yes, simply ask for directions as you normally would but add "in transit". For example: "Give me directions to Walmart, in transit." A screen will come up with all the available navigation apps you have installed, find Google Maps and tap Route. Siri will then show your route in the selected app.
no you will only be charged for an app when you are buying it to put onto your phone/ipod but once it is already on you will not be charged but if there was a possibility that you will be charged it will tell you.
I don't use the App because I only use a PC, but you can post a question in the Community Forum about this. A Supervisor familiar with the App will see your post and try to help.
Use a phone app like light meter which uses the camera to give a luminosity level.
There is no way to do that. If you jailbreak your iPhone there is an app on Cydia that does that.
You can download a variety of Java-based applications to use MSN on a phone. This is ob course assuming that you phone supports Java and has internet access.
if you have an app on your phone that you no longer use or want - uninstall it !
FitBit app need to use Bluetooth to synchronize your phone with other devices.
NO
You can install a app named BlueStack, with this app you can use all your phone application directly on your system.
Ask Siri.
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One might use a cell tracker app if they wish to detect the location of a phone, the app works by tracking the GPS signal of another phone. The app can be installed directly from Google Play.
Only with an app on iPhone 2G 3G 3GS or 4. On 4S you can use Siri
J2ME - Java 2 Micro Edition is generally used in java enabled phones. Simple Java Applications use JVM(Java Virtual Machine) for generating bytecode where as Java Mobile Applications use KVM(KiloByte Virtual Machine) for the same purpose. Reason for this is KVM occupies small amount of memory and hence can be embedded inside a java enabled phone easily.
Siri on iPhone 4S lets you use your voice to send messages, schedule meetings, place phone calls, and more. Ask Siri to do things just by talking the way you talk. Siri understands what you say, knows what you mean, and even talks back. Siri is so easy to use and does so much, youll keep finding more and more ways to use it.
I dont think you can use siri only the iphone 4 can by holding the home button