Arsenal record-signing, Mesut Ozil, believes some of the criticism he received in his debut season in England was unfair.
The 25-year-old, who arrived for £42.5 million from Real Madrid last summer, experienced a dip in form during the second half of the campaign, but vows to improve in his second season at the club.
"There is room for improvement in all departments," he said in an interview with Sport Bild.
"I need to have more shots at goal again, and also improve my headers. The World Cup title was a great success, but it has to go on now."
"I am looking forward to my second season in England, because I can also bring in my experience from my first season.
"I feel great in England, and even more so in London and especially at Arsenal. When things don't run that smooth at times, there is criticism.
“Sometimes it's fair, and sometimes it's unfair. But I can judge my performances very well - and I also know how the coach (Arsene Wenger) and the fans rate it."
After winning the World Cup with Germany, Ozil was absent as his team-mates won the Community Shield on Sunday and he is aiming to win more trophies with the Gunners.
"It's difficult in England," he added.
"There at least five teams competing for the title in the Premier League. But to me personally it's clear: I want to have maximum success in every competition I play.
"I've only been back with the team since Monday. But I believe that we have made good reinforcements. And I hope that those injury woes from last season do not continue."
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