I just saw the description of this game on iOS saying it will be half price starting 2nd of October. I am not sure android will do the same, but very likely I think.
Arguably TM is one of the best German board game with very limited luck involved. Once the board is set (billions of possibilities) there is no luck involved. For those who like this game, this is a great sale. There might be very few bugs around, but overall it's a steal.
For detailed information about the game itself: