SIM900 library for Arduino Uno & Pro min

Hello,
Yes I found it, as well, but I am not really sure about this.
Do you have exeprience about that library?

I would like to use that library with that module:
http://store.open-electronics.org/Breakout%20SIM900%20GSM%20Module?filter_name=Breakout%20SIM900%20GSM%20Module

Do you have an experience with SIM900?
I am trying to make it working but it does not, and I am poor with information and datasheet.
Do you you know a tutorial?

many thank
Pierre