She is relocated to rural Louisiana, USA, where Mason’s teenage daughter, (Selena Gomez), lives on a rundown ranch with her dad. Rosalinda must adapt to life as "Rosie," a normal American girl, while Carter teaches her how to blend in (e.g., shopping at a mall, avoiding royal etiquette, and using slang).

It looks like you're asking for a full write-up on the 2009 Disney Channel movie — with "fylm" (film), "mtrjm" (مترجم, meaning dubbed/subtitled ), "awn layn" (اون لاين, online ), and "fasl alany" (فصل اونلاين? Or possibly فصل أونلاين ? I think you mean مشاهدة أونلاين = watch online ), plus an Arabic subtitle/dub reference.