To control the sphere you need to collect all energy from orange generators and take it to a blue battery until the power is collected. Charge capacity of the energy sphere is limited. Charged sphere acquires bright orange color, blue sphere is discharged one.
The main element of the game. The sphere is charged in the process of contact with an energy source, and gives the charge in contact with the receiver. The collector has limited capacity of the energy charge.
Touch your screen to aim, release the screen to create a blast wave and to push the sphere in needed direction.