Deluxe (the same company who’s providing technology solutions for Hollywood studios) announced pocket BLU:
The perfect companion to enhance the Blu-ray™ movie watching experience. pocket BLU™ enables your mobile device to communicate directly with your Blu-ray™ player to extend your movie experience in ways never before possible.
They have solutions for both desktops (Windows and Mac OS) and mobiles (iPhone, BlackBerry, Android, and soon Nokia). The clients for the desktops are created using Adobe AIR and Java.