Where do you play with your friends?
'Donde Estudias?' means 'Where do you study?'
I think you mean Donde which is Where (in english)
¿dónde estás? means where are you?
hola donde estas
Donde = when The other words are not (or don't look) Spanish
'Donde estas ahora' = Where are you now
Amigos is Spanish for friends, but it is also used as an English word with the same meaning.
"Where does it stay?"
It means "where do you pay?"
Where were you (familiar) born?
where are you from
¿Quién juega?Who plays?