A free app for Android, by Jansen Games.

Extreme Truck 3D: Sand is a game that simulates a construction site. It lets you play with a construction truck and two trailers. The objective of each level is to complete it by transporting the required amount of sand to the specified location.

How to play:

The game is easy to play and is very intuitive. All you need to do is to follow the arrows to attach the trailer and then load the trailer with sand. You need to make sure that you’re driving in the correct direction. Once you’ve finished the level, you’ll be able to see your progress. The game lets you play in levels or free mode.