I just tested today my MHL adapter from monoprice (http://www.monoprice.com/products/product.asp?c_id=108&cp_id=10833&cs_id=1083314&p_id=8805&seq=1&format=2) and it works just fine.
It actually mirrors the phone screen all times but I could not change this behavior.
It actually mirrors the phone screen all times but I could not change this behavior.