The Floor is on Fire - Don't Touch Ground Lava

The building is at fire and the natives are constrained in building, they came at the top of the building over your call, so its your mission now to safely take them out of that building to a safe place.
Dont let them touch the floor because the floor is of hot lava.Here comes the point that how would you safe them without even touching the floor and for this you are provided with a trolley.
Tap and hold the left side or right side of screen to move the trolley left or right, when the natives jump abruptly over the trolley it bounces them back to air and by this you can move them steadily with your trolley from one building to another.
Try hard to safe them.