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Benedict Cumberbatch and Martin Freeman front Sherlock mobile app promo

Sherlock stars Benedict Cumberbatch and Martin Freeman have reprised their sleuthing roles to plug a new mobile app following conclusion of the third season of the hit BBC series.

Sherlock: The Network gives fans of the show the chance to join Sherlock’s homeless network as well as navigate London to speak to witnesses and gather evidence on ten different cases.

Produced by The Project Factory and Hartswood Films for the iPhone and iPad the app is available now for £2.99.