Jo has revealed he turned down several major offers to make the move to Manchester City.
He added: "After I spoke to the manager (Hughes) I was very pleased.
"I was told Manchester City is a club going forward at the moment. We can go places, that is our objective. We thought about it and I decided to come to Manchester City for that reason."
Jo also revealed that Spanish outfit Valencia were one of the clubs that were interested in the striker.
"The club who showed interest officially was Valencia," he said. "I know from the press there were other clubs who showed interest."