simply download the wrapper from this website http://portingteam.com/index.php/files/file/7187-star-wars-the-old-republic/
and if your like me i have this game for windows as well and i just transfered my windows install files via flashdrive to the mac and did right click show package contents
drive c folder then program file folder bioware folder star wars the old republic folder paste the file in their and your done if not then all you do is just open it and it already has the launcher in it and just login to your account and update the game and play