The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
You can take photos of remote iPhone and iPod touch by using the app Paired Camera Shutter.(1) Make internet-sharing (Wi-Fi or Bluetooth) enable of your iPhone, and connect your iPod touch there.(2) Launch this App both on iPhone and iPod touch.(3) You can take a photo of iPod touch by tapping a button on iPhone, and vice versa.