A free app for Android, by mobirix.

Ground Driller: Mining and Trading is a free mining and trading simulation game. It is the best way to get to know the world of mines and to become a successful miner and trader. The game is based on real mining and trading laws.

You will be able to dig and mine various types of minerals, such as coal, gold, silver, iron, etc. The game will be based on your actions. You will have to upgrade your mining equipment to get to deeper levels.

You will be able to trade various products and minerals with other players. The price of a product and a mineral will be determined by the players.