F1 TV has said they'll do apps for streaming boxes, but haven't given a timetable as of yet, the same for in-session catchup. 2nd-screen sync sounds cool, but

F1 TV has said they'll do apps for streaming boxes, but haven't given a timetable as of yet, the same for in-session catchup. 2nd-screen sync sounds cool, but I also feel like getting the sync right will be very difficult.