What LG say:

A new experience in design and usability
Featuring an innovative design with a sleek exterior, semi-reflective dual screen and black crystal finish. The dual screen InteractPad brings a new ease to phone navigation.
The InteractPad
The InteractPad was developed to offer a more dynamic and optimised interface to users. Located below the main screen, the InteractPad adjusts to whatever function is being accessed... read more

uk.lge.com