@to-mor I believe, "we play here this Sunday." Would be, "on joue ici ce dimanche." The absence of "On" or "Nous", I think this would best be rendered, "Let's". The use of "Jouons" at the beginning of the sentence idicates that the conjugation is "Nous", it's not a question, and the form indicates it's imperative. So, let us (let's), appears to be the best translation (imo).