Google +1 Button For Jetpack Wordpress Plugin - Rating, Reviews, Demo & Download
Plugin Description
Extends the Jetpack plugin and allows you to add a Google +1 button to the list of sharing services available under Settings > Sharing in your dashboard.
Important: for this plugin to work, you must activate Jetpack first, and activate the Sharing module.
For contact and questions, feel free to use Support or Developer contact web page at http://tusuperagente.com/contactar/
This plugin is a work in progress. Based on http://wordpress.org/plugins/scoopit-for-jetpack/ from Jeremy Herve.