Nearly a year ago, the Internet giant rolled out Google+ Sign-In as a way to counter Facebook Connect, a feature web site owners predominantly tap to simplify the sign in and account creation process for their users.

TheGoogle+ SDK for iOSwas released shortly after, giving Apple’s registered iOS developers a set of tools and social plugins to write programs that are deeply integrated with the Google+ thing.

SoundCloud 2.6 for iOS (iPhone screenshot 005)

Although apps that support Google+ Sign-In are few and far between, at least relative to Facebook Connect-enabled mobile software, more and more developers are integrating Google+ features into their warez. The latest example: SoundCloud, an online audio distribution platform that today updated its iOS app with support for Google+ Sign-In and sharing…

Support for Google+ Sign-In in the new SondCloud version 2.6 makes it possible to log in or create an account just by providing your Google+ credentials. The feature works just like advertised and is much akin to Facebook Connect.

SoundCloud 2.6 for iOS (iPhone screenshot 003)

Upon providing your Google+ credentials and approving the integration, the app pulls your Google+ user name, email address, profile image and other data, saving time versus manually filling in your information.

And if you’re an active Google+ user, you may now easily share your audio files on Google’s social thing. Another small tweak: SoundCloud has brought back the Airplay icon in the player so you can stream your music to Airplay-enabled speakers and AirPort devices or to your telly through the Apple TV.

SoundCloud 2.6 for iOS (iPhone screenshot 004)

The Android build was updated with Google+ Sign-In features last week.

On a related note, Google late-Aprilpromisedto surface app activities in Google Search through Google+ Sign-In integration.

SoundCloud app activity on Google search

This augments your search experience by adding a layer containing, say, the most popular SoundCloud activities by your friends. That additional information is displayed right along your search results on Google.com, provided you are signed in when searching.

The SoundCloud app is available free on Apple’sApp Storeand Google’sPlay storefor Android.