Badlanders for Android
The player's character lives in a shelter, he occasionally goes out to the outer ruined world in order to get upgraded, kill enemies and gain valuable loot. You can get it from the killed enemies or find it somewhere in the secret places. There is also upgrade by the levels in the course of the experience gaining.
In this quality shooter, the range of weapons, equipment and other items is huge. At the same time, the weapons can be customized and even collected when the player is in the shelter. There is also an online auction, where you can sell something you don't need or buy from other players.