Why? Because DBZ: Kakarot is a graphically intensive, 64-bit console game. It features:

None replace Kakarot’s open-world RPG depth, but they scratch the DBZ itch safely.

You can stream the actual PC/Console version of the game to your phone. This requires a stable internet connection but does not require a powerful phone. Xbox Game Pass Ultimate Xbox Cloud Gaming to play if the game is available in the current library. Chikii Cloud Gaming