Are you a iOS developer and want your iPhone or iPad to be deeply integrated with Google+? Yes now you can.
Today Google+ iOS team released iOS SDK 1.4.0 with 2 of the most sought features: In-App Share Box with Circles and ID Token Support.
In-App Share Box
This feature allows to share your content with Google+ right within your iOS app.
Details of How to Integrate Google+ Sharing using Share Box from your iOS app is available here
ID Token Support
This allows you to securely verify identity of your users.
You can download the iOS SDK here