Here, we have a new VoIP app for all you Android users looking for something new. Line2 adds another phone line to your phone and gives you unlimited calls and texts for $9.95 per month, but gives you a 30-day free trial.
Features include a new phone number, the ability to make calls over Wi-Fi and 3G/4G, call waiting/forwarding/transfer, and more. Only downside, it has only been certified to work on the Droid 2, Incredible, and Droid. Be sure to check this out if you're in the market for a new VoIP app and have one of the phones listed.