You can't - at least officially.
1) You can not install apps from App Store on an iOS simulator - https://stackoverflow.com/questions/10611146/can-i-install-the-app-store-in-an-ios-simulator
2) Android - This might help https://stackoverflow.com/questions/11154222/google-play-on-android-4-0-emulator but this is more of a hack
Alternatively, if you can find the APK somehow - you can always load it using adb on to your Android emulator
3) BlackBerry - Similarly if you manage to get the cod and jad files, you can load them on the BlackBerry emulator.
I would still recommend trying it on an actual device as certain features like calling etc. will not be available on the simulator. If you do not have a device, you can always try and get a remote device from a service such as DeviceAnywhere.