Fletcher said: “An opportunity arose. It was time for me to see something else. And I like to play football. I had not quite had my luck at Sunderland, so I hope that here I'll play more. To play abroad is interesting - other football, another culture.”
Fetcher left Sunderland on deadline day, linking up with Marseille on loan until the end of the season.
At the end of this campaign, his contract with the Black Cats will expire, and the Scottish international is expected to leave Wearside permanently.
He has admitted that his lack of chances this season has been behind his exit from the Stadium of Light, with Sam Allardyce not being keen on utilising the forward following his appointment as manager.
Fletcher had not played any of the last five games, and he has admitted that Marseille offers him a better chance of getting some more minutes under his belt.
Rather than staying in the UK, as would have been expected for most players, Fletcher also wanted the move abroad to enjoy the chance of playing a different style of football in a new culture.
Few British-based players move abroad, and Fletcher has taken the bold move of heading to France for the next six months.