If you recall back in the 1960s and 1970s in Britain, the Children's Film Foundation used to make daft adventure films for and starring young people - usually with one celebrity grown up along as the baddie. Well this is pretty much the same thing, only with a more modern theme. Arran Kemp is "Dylan" who is faced with imminent relocation to Dubai with his parents. As a bribe, they agree to let him have any phone he likes and so he and best friend "Molly" (Adele Congreve) pick two super-sophisticated gadgets. No sooner are they out of the shop then they are receiving calls that purport to be…