If you are looking for the game itself, it is a strategic "auto-battler" from Riot Games set in the League of Legends universe.
While there is no widely known software or game officially titled the name likely refers to the executable file used for Teamfight Tactics (TFT) or its popular companion application, TFTactics . 1. Teamfight Tactics (TFT) Fight Tactics.exe
Battles are automated. The skill lies in economy management (saving gold for interest), positioning on a hexagonal grid, and building synergies through champion traits. If you are looking for the game itself,
The game uses a "set" system, rotating champions and mechanics every few months to keep the strategy fresh. 2. TFTactics Companion App positioning on a hexagonal grid