A free program for Android, by Driving Games Offroad.

This game is all about trucking. You will be driving a real cargo truck in a city, where you have to deliver a variety of different items. 

The gameplay is simple and intuitive to understand, but there are some things that you will need to pay attention to, such as delivering the cargo on time, and making sure that you have enough fuel and oil to do so.

If you are looking for a simple and intuitive game, then this game is a good choice for you.