This post covers the solution for 100 Gates Level 11.
Written guide:
1. Find the firewood and drag it to the fireplace.
2. You need to light the fire. To do that, shake your device until fire starts burning.
3. Simply tap on the treasure chest.
4. Drag the shapes in this exact order: rectangle to upper left corner, circle to top right corner, triangle to top left of the fireplace and semi-round above the fireplace
Meanwhile, here is 100 Gates walkthrough demonstrating level 11 solution.