A new com­pan­ion app aimed at enhanc­ing the view­ing expe­ri­ence has entered the mobile mar­ket­place, but will Zee­box suc­ceed in an are­na where many execs are still mak­ing their minds up about the ben­e­fits of sec­ond screen? 1.5 mil­lion down­loads and 300,000 – 400,000 unique views per month, along with an eight-dig­it invest­ment from BskyB in the UK says it will.