If the ".exe" refers to a utility, it is most likely TFTactics, a popular desktop overlay program.
The game uses a "set" system, rotating champions and mechanics every few months to keep the strategy fresh. 2. TFTactics Companion App 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 the "