Flying School Bus Simulator 3D: Extreme Tracks is the best bus simulator game for Android devices. It has many levels and a beautiful city environment. The buses in the game can be customized with a variety of different parts. There are many missions to complete and you can unlock new parts to make your bus faster and more luxurious. 

In the game, you can control your bus with a steering wheel and pedal controls. You will be able to pick up passengers from different locations and drop them off at their destination. In the levels, you will need to pick up students from different schools and take them to their destination. The students will be in different grades. You will need to take them to their destination in time.