"I felt that there was some sloppiness in my play. It's going to take a lot more game time to get my sharpness and hopefully I can find that by the end of the season."
Former Wales and Everton captain Kevin Ratcliffe was delighted to see Jones back in action.
"It was great to see him after his many injury problems," Ratcliffe told BBC Sport Wales.
Jones seems to have bulked up in the gym
Kevin Ratcliffe
"He looked rusty and really needs a pre-season and game time, but he seems to have bulked up in the gym and that will serve him well as he progresses to higher levels.
"Craig Bellamy filled out that way when he was at Newcastle. He benefited from that, and Jones will need the power if he makes it to the Championship with Swansea next season."
While pleased to win his first cap, Jones had mixed emotions about Wales' display at the Stade Josy Barthel.
"We can do a lot better than that, but it was nice to get the win," Jones told BBC Sport Wales.
"Freddy Eastwood showed again that he is a proven goal scorer, he's got a few at international level now and long may that continue.
"I think it's going to be onwards and upwards for Wales now."
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