messaging app available for Android and other smartphones. uses your phone's Internet connection (4G/3G/2G/EDGE or Wi-Fi, as available) to let you message and call friends and family. Switch from SMS to YO YO to send and receive messages, calls, photos, videos, documents, and Voice Messages.

• MULTIMEDIA: Send and receive photos, videos, documents, and Voice Messages.

• CALLS: Call your friends and family for Calling, even if they're in another country.* calls use your phone's Internet connection rather than your cellular plan's voice minutes. (Note: Data charges may apply. Contact your provider for details. Also, you can't access 911 and other emergency service numbers through YO YO).