Puzzle game with a very expensive prize

[Lois]

I've created a puzzle.
There she is
https://2405d53262daa795dde1cb44663f9e24a50e7d35.googledrive.com/host/0B9M7t2m9U0UWRTRVUDB0Ul9hdUU/BrowserBuild.html

We must use the arrow keys - up, down, left, right, away from the playing field all the characters, except for the main one. This is a puzzle.

 

Who will solve a puzzle get a very expensive prize !!!! - Musical program worth 400 euros.