Iridium GO! (TM) enables satellite connectivity for your Android device where terrestrial networks are non-existent, unreliable, or costly. With Iridium GO! and the power of the Iridium global satellite network, your Android device will now work anywhere on the planet. The Iridium GO! app enables users to connect over Wi-Fi and make phone calls, send SMS, post Twitter updates, or activate SOS in the event of an emergency (requires registration). Visit www.iridiumgo.com for Iridium GO! product