Ustream seems to have found its niche in the live streaming of video. The app lets you broadcast live to any number on viewers of WiFi or mobile data. In the new update, developers seem to have spruced up the joint. Ustream is now much more attractive and should also have better video performance.
The screenshots cover most of the major changes (ignore the colorful and unnecessary frames), but there are some images of the old UI down at the bottom for comparison.