Video chat with your friends, family and colleagues right from your Android phone using Google Talk. No matter whether they are on their compatible Android phone/tablet, or using Gmail with Google Talk on their computer. Make heart-to-heart talk with your dear and near ones while seeing the expressions blossom on their faces.
“Google Talk with video and voice chat will gradually roll out to Nexus S devices in the next few weeks as part of the Android 2.3.4 over-the-air update and will be launching on other Android 2.3+ devices in the future.”
You can make video or voice calls over Wi-Fi, 3G and 4G data connections with in G Talk. [Via]