When the 3D mode is enabled you must wear your 3D anaglyph glasses in order to watch the 3D experience.
6 different types of anaglyph glasses are supported:
Red - Cyan
Cyan - Red
Red - Blue
Blue - Red
Red - Green
Green - Red
Choose/Set the type of your glasses in App. Settings. From the Main app's screen, tap on -Settings- button, and choose the 3D glasses you have. The Player will adjust the 3D view on the next Video play!