Legacy GM facebook integration for android output



Hi, i just finished my first android application ... it works
but now i'm interested in a facebook user_id recorvering
for letting the player uses his facebook logs for the ingame

That's where i start and i don't know where to go
i can't find tutorials, or well explained topics on about

The yoyogames documentation talk about "facebook" code instructions
but i don't know if it is specificly used for html5 ? or it can be enlarged for other stuff like mine ?

I'm not interested in posting on facebook, the only thing than interest me
is to recorver the facebook user id (first name and last name)

If someone could help ... thanks