War Ops: WW2 Action Games for Android
In this third person game, players make teams and fight on maps with the entourage of military facilities and bases. The winner is the team that gained the most frags within the given time. You will get a reward for victory and with it's help you can upgrade your hero.
There is quite a good set of weapons, and each of the characters has a specialization in one of the areas and his skills. Ammunition is finite, so you have to be careful with the shooting. On the map you can find resupply of ammunition, recovery of health and so on. Heroes are upgraded by RPG rules.