All The Answers here : developers of the 100 DOORS game series presenting a NEW STORY. Solve floors of puzzles, explore mysterious hidden locations, fight with wild beasts and help Alexander uncover the mysterious death of his uncle.
Solution :
Take the coin in the lower right corner (in the grass).
Drop the coin on the opening roof.
Tilt your device on the right side to ring the bell.
Tilt your device on the left side to right the left bell.
Ring all the bell then tilt your device to the right to roll the coin out.