Spare Phone - Make and receive VoIP calls over WiFi with your Google Voice account!
Phone calls without using cell phone minutes!
Spare Phone uses your WiFi,3G,4G data connection to place and receive Google Voice VoIP calls. All you need is the "Spare Phone" app, a data connection(Wireless or Mobile) and a free Google Voice account. Spare Phone transforms your Android phone or tablet into a free wireless phone when used over WiFi/Wireless in the USA and Canada!