Hartlepool have announced they will not sign convicted rapist Ched Evans after boss Ronnie Moore expressed an interest.
Arsenal manager Arsene Wenger insists he will only spend money in January on the right player.
Having been linked with the Barcelona forward for much of the summer, a deal was finally completed on Tuesday.
A loan switch had been mooted, but Bojan has moved to the Britannia Stadium on a four-year contract for an undisclosed fee.
His capture is considered to be quite a coup, given that he has also turned out for Roma, AC Milan and Ajax and has been capped at senior level by Spain.
Muniesa, who made a similar switch last summer as he swapped Catalunya for Stoke, is delighted to be welcoming a familiar face and is backing Bojan to be a big hit in the Premier League.
He said in The Sentinel: “I have spoken with him. I said that everything is okay here – team-mates, training and football.
“Also, to play in the Premier League will help him grow as a player and is a nice experience. He will enjoy it. I will help him with everything.”
Muniesa added: “He is a very good striker, but always playing as the second striker.
“He can also play right winger, but I think his best position is second striker because then he is in the area and he has a very good finish. He is also quick with a good touch.”