Angry Birds POP! Level 26 is the 26th level in Waterfall and the 8th Pop the Top level in Angry Birds POP!.
To pass this level, you must clear the six bubbles at the top row and score at least 5,200 points in 24 (26 on mobile) bubbles or fewer. When you complete the level, remaining bubbles and obstacles will reward you additional points.
This is the tutorial level that will teach you how a smoke cloud works.