Riot Games has published the Teamfight Tactics development journal on YouTube's League of Legends channel. While they start talking about some of the improvements that will come in the coming months, they also mention something that many players were waiting for, the launch of Teamfight Tactics on mobile devices.
In the beginning, Teamfight Tactics will be released for mobiles throughout March 2020
Teamfight Tactics is a game mode of League of Legends, so you don't have to go to the box to play. You just have to download LoL And enjoy the game. In Teamfight Tactics you have to recruit a team as balanced as possible and fight in games with up to 7 opponents. If you want to know more we recommend take a look at the guide