When searching for the best way to play MW2 on Android, the "Extra Quality" tag usually refers to specific enhancements that bridge the gap between mobile and console gaming:
There are currently three primary ways to access Modern Warfare 2 content on your Android device: 1. Official Mobile Alternatives (Warzone Mobile) When searching for the best way to play
Support for 60Hz and 120Hz displays for fluid movement. When searching for the best way to play
Snapdragon 700 series or better (Snapdragon 8 Gen 1+ for max settings). When searching for the best way to play