Despite rumors circulating since 2018—spurred by Valve’s experimental Dota Underlords mobile release—the company has repeatedly confirmed that a full port of the 2007 classic to iOS or Android is not in development.
Since there is no native app, players use these alternative methods: : You can stream TF2 from your PC to your phone using the Steam Link Cloud Gaming : Services like NVIDIA GeForce NOW Team Fortress 2 Mobile Play Store
Since the official game is only on PC, the most reliable way to play is through remote streaming Steam Link Team Fortress 2 Mobile Play Store