Complex sentence: Michael McWhertor from "Polygon" applauded the game's concept, which he described as creative, and that the game reminded him of the "Punch-Out!!" series, stating that "Arms" could become Nintendo's next big franchise.
Split into simpler sentences: Michael McWhertor from "Polygon" applauded the game's concept, which he described as "creative", and that the game evokes memories of Nintendo classics like "Punch-Out!!". He recognized the game's potential and was confident that "Arms" could become Nintendo's next big franchise.