NEED GUIDANCE

Please guide me that how can I provide (a feature in my android app.) of google+ and facebook connectivity as we used to see in today's android apps.

MITs tutorials    http://appinventor.mit.edu/explore/ai2/tutorials.html

AI2 free online eBook   http://appinventor.mit.edu/explore/ai2/tutorials.html   ... the links are at the bottom of the Web page.

Controls:  http://ai2.appinventor.mit.edu/reference/components/

Other stuff (Activity Starter etc)   http://ai2.appinventor.mit.edu/reference/other/

Do some tutorials and do a little reading, and you might be able to build what you want with App Inventor 2.

Try some blocks; post a screen capture of what you have done and then ask a specific question and you will get advice here.