class Player {

    Input input;

    Player(Input input) {
        this.input = input;
    }

    void update(delta) {
        if (input.justTouched()) {
            ....
        }
    }

}

class Game {
    create() {
        Player player1 = new Player(new RemoteInput(8890));
        Player player2 = new Player(new RemoteInput(8891));
    }

    render() {
        player1.update();
        player2.update();
    }
}