The QPR striker has signed for the Toon on-loan.
Remy told the Evening Chronicle: "I am really happy and grateful to this club for the fact that even though I didn't come here firstly - they came back for me.
"They have shown a lot of interest in me.
"I really need to repay them for that by going out there and doing my very best on the pitch. I need to repay them by doing well on this loan. We'll see what happens after that but for now I am focused on doing as well as I can for Newcastle."
For the big stories and the banter follow us on Twitter: @tribalfootball