"I can say to you that the club is working, the club is telling me the different situations in each moment. Everyone is still trying to get used to it but it is going well at the moment".
Emery is happy with his current group, but the Spaniard is said to be keen to bring in a midfield replacement for Aaron Ramsey, who is due to depart the Emirates Stadium on a free contract in June.
"I asked at Blackpool if he was OK to help us play and he said: "Yeah, coach, I want to play" and he played with a very big behaviour and commitment to us".
"We can not sign permanently".
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'Little by little Koscielny is feeling better and he can play consistently in the next matches, but I think he is getting better.
Speaking the reporters ahead of Saturday's trip to West Ham, Emery said: "I don't know about his situation".
"After, his future belongs to him, his family and agent".
"My idea and focus, I say to him every day, is that we need his performance for us", he said. Every day he's here with us, he's working very well.
The Gunners go into the London derby buoyed by back-to-back wins following a stuttering run of results.