Please find below the solution for: They are chased by a troll!. This is level 38 of the Smith and Joe - Part 1 adventure. If something is wrong or missing please let us know and we will be more than happy to help you out.
Answer:
TAP ON THEM TO JUMP ABOVE THE BLOCKS. USE THE BUTTON TO STOP THE BLOCK ON THE TOP THEN USE IT TO TAKE DOWN THE TROLL.