World of War Machines (or "War Machine") is a war-themed mobile MMORTS with relatively standard features and terribly deceiving advertising.
Have you ever seen a game ad with soldiers, pretty girls, lots of action, and excellent graphics? There's a chance it was promoting this exact title - and the ad had absolutely nothing to do with actual gameplay. The developers/publishers went further than that - game listing in the market won't mention or show what it's about - just a bunch of generic WWII graphics. Even the title seems to try to make it look like a well-known tanks game.
The actual game is just plain old MMORTS, just like tens of others, themed using a rather popular theme. You build structures inside your base, focused on training & upgrading troops. Then, with a commander, you can leave the base to gather more resources, fight with other players, or team up.
Well, you can say that the developers tried to put some action in the game - or pretended to do this. There are several painfully-simple mini-games, like centering the crosshair on the flying enemy plane. There's no challenge in this - and little fun - it's just a different way of obtaining some standard resources.
On the bright side - the game doesn't look bad. It took the WWII theme seriously - you'll begin with commander selection - and aside from photorealistic images, there's a vital side choice - USA, ZSRR, or nazis. It'll determine not only the visuals of the base but also available units - expect some accurate, historical models, obviously without actual battle performance.
World of War Machines has some videos to watch, but mainly, it'll try to make you spend money. The MMORTS concept, lots of store offers, commander gacha, and even a VIP system - expect it all.