Google’s photo sharing app is now for all iPhone users

Google’s new photo sharing app, Photovine is now available for iPhone users. It was available for more than a month but now it is public for all. iOS users can download for free from iTunes app store. But registering and using the app tool invite. 
This app was built by team at at Silde Inc., a company Google purchased almost a year ago to build social media apps across platforms.
This app is like a social network where a user can take photo from the device and share with all friends in the app.The major difference here is that photos are shared into pools of other images that are grouped into user-created topics called “vines.” Users would also be able to chat with their followers, add text or captions to their pictures and more.
User can also share the photo on facebook and twitter. But This google app has not connection for sharing on Google+.
There is no name of parent company on the app and users can not use their Google account for this.