The 35-year-old called time on a 19-year period as a professional in July.
Groningen product Robben spent 10 seasons at Bayern Munich following spells with PSV, Chelsea and Real Madrid.
He won league titles in Germany, Holland, England and Spain and says he could consider returning to the pitch if the spirit of competition proves too great to ignore.
"I always say: never say never," Robben told NPO Radio.
