Your task is to get to the exit, but for this you will have to open all the doors to which you need to pick up the keys. The last door will open only if all the hearts are collected.
Run to the right - click on the right side of the screen (with your finger or mouse pointer).
Run to the left - click on the left side of the screen (with your finger or mouse pointer).
Jump - click on the game character with your finger or mouse pointer with the left button held down and move your finger or mouse sideways, up and down. An arrow will appear that indicates the direction and strength of the jump. Remove your finger from the screen, or release the left mouse button - a jump will be made.