Google today released an update for its Google+ app – but only for the iPhone. The update includes a new stream and a new, more visually appealing, interface.

Vic Gundotra, Senior Vice President for Engineering at Google, announced the update over on the Official Google blog. There he explained that Google is aiming to make its apps look and perform better on smartphones that have higher resolutions and more sensors. He also went over the update in more detail, stating that crisper fonts, larger profile pics, a “friendlier” homescreen, new overlays, new gradients, and other visual elements are the focus of the update. Also, the Google+ stream has gotten performance tweaks and “fun” upgrades. Conversations now fall into view as users move through the stream and items that have been +1’d now float atop the stream. From Gundotra’s post:

The end result—we hope—is an app that brings you closer to the people you care about, and the stuff you’re into; an app with sense and soul.

Gundotra did not specify when an update for the Android version would roll out, only saying that it will be coming “in a few weeks.” He did hint, though, that the Android version of Google+ would get some features left out of the iPhone version, saying it would have “a few extra surprises.”

What surprises do you think might be in store for the Android version? What could be worth Google delaying the update until after the iPhone version has been released? Leave a comment below and let me know.