XMTV Player is a free multimedia and online TV streams player for android made for enjoying, based on ffmpeg and rtmpdump that has the ability to play pretty much anything that humans and machines have created.

Free Edition
This app only works with phones that have root/super user access (e.g. the Development Phone). This app tethers your cell phone's Wifi internet connection to your PC. The connection between your phone and PC is a bluetooth PAN connection. Please visit http://www.androidactivity.com/tetherBlu.html before installing!
This is the Free version which will only work if you have a wifi internet connection on your phone. If you want to tether the cell internet connection try the Premium version.

imiChat Description:

“The video-based mobile meeting place.” imiChat is a video and text chat application that is available across multiple mobile platforms and PC. It was the world's first video chat application available over 2.5G networks. As such, imiChat is of the most popular mobile video chat applications worldwide. In just three short years, imiChat grew to nearly 100 million users in over 200 countries.

Free Facebook Chat / Facebook Messenger! Chat for free with all your Facebook friends with BeejiveIM for Facebook Chat! Free!

Free messages, Free Calls. Unlimited!
Nimbuzz Messenger combines the power of internet and smart phone messenger into one, and lets you make cheap international voice calls, send unlimited chat messages, share files on any mobile device across popular messengers. Nimbuzz Messenger is available on Android, iOS, Blackberry, Symbian, Java, Windows and Mac.