Can I bring my Cell phone (Mobile phone) into the playing area ?

The short answer to this is NO you cannot. NO ELECTRONIC DEVICES / COMMUNICATION DEVICES OF ANY TYPE EVEN IF SWITCHED TO “FLIGHT MODE” are permitted in the playing rooms, and that applies to players, captains, kibitzers or anyone else entering the playing area.

They may be left at the registration desk until after play, but it is best if you leave them in your hotel room.