I'm french and I would use "google-play-service" so I followed the procedure on the official web site to google here and here
And I'm blocked at this step :
To add the dependency to Google Play Services into your project Project -> Properties -> Android -> Library, Add -> google-play-services_lib "
I explain: Normally the "dependency" must be a "green check" at left.
After to press the button "Apply" the "green check" is always green, but when I leave the windows (whith press button "OK") and I return on this windows (mouse right>properties>Android) I didn't have a "green check" but I have now a "red cross" (shoot3) ... I don't understand why ?
Did you have the same problem ?