API Key?

Documentation does not tell you which type of Google+ API key is needed? Server? Browser? Android?
With Server API we get this error: Error. [object Object]

Dear waynejb.
Thank you for using product our.
I'm sorry. we will update document for the problem. Because the changes taking key for Google + API
Please Take Browse key. It test it and it work.

hi, same mistake Error. [object Object] with browse key !!! can you please help me to solve this issue? tks

Hi Roberto,
I'm sorry, Google+ don't works? Please give me link your site and your account of administrator via private message.
I will check it for you

Hi Roberto,
I'm sorry for reply late.
We just update product, You can download it on your site.
If it still don't works. Please give me your account again via emaiL This email address is being protected from spambots. You need JavaScript enabled to view it.. I will check it again.
Because I have to check many topics and can I forget your message,
on Monday. I will check for you again.
Thank you so much for empathy,