Stay away!
In its current form the game appears to have been a rush port from another OS. The game description mentions the lac of iaps which is nice but then once youre in the game it becomes obvious that they used to be there in the games original form. This leads to many game mechanics where it seems like theyre wanting you to purchase currency but you cant.
DucimusPTE about
Metro 2033: Wars, v1.0.8