Green "A" icon should appear and you need to click it. Do you have it?
Okay, looks like it's some weird bug
Please try sending me your log file:
1. Open Finder
2. Click Go -> Go To Folder (or Shift + Command + G) and enter ~/Library/Logs/Unity/
3. There should be a file Player.log, please send it to me at sadambober@gmail.com