The 29-year-old, who rejoined the Gunners as a free agent this summer, has only managed to pick up three caps for Les Bleus during his career.
"I am very happy," Flamini told reporters. "Frustrated with [just] three selections? No.
"I played in very large clubs and I evolved in three major championships. At one point, I asked myself. Today, this is no longer the case. I support the France team, I look at their matches, but my club remains my priority.
"It concerns people who are around me, fans, journalists. But me, it does not disturb me. I matured. I am very happy. I just want to enjoy, look forward, not backwards. I'm not bitter, but then not at all."
France take on Belarus in Group I on Tuesday night.