Robben wasn't even in the Bayern team until Kroos got injured around the time of the games against Arsenal.
Admittedly, Robben making the list for a couple of months good play is more reasonable than when players get on the list for a couple of weeks good play in the Euros/World Cup, but it's not enough in my book for Robben to even merit serious consideration.
I'd have Lahm, Schweinsteiger, Martinez, Ribery, Muller and Mandzukic on that shortlist before Robben.