hi.I'm used to play this game through computer. I train my player,then when They got 9 or 10 point I will allocate it as I need

then I want to get free token,almost all offer I only can get through phone. So I download this game from playstore.After open the game,shockingly, all training points automatically assign itself. not just that.everytime I train a player,and he got 1 training point, it directly auto assign. so I got no chance to assign the training point myself

how to disable this auto assign feature on android phone?