Glow Code description

Do you like Minesweeper? Then you'll love Glow Code!

This game is similar to Minesweeper, you've got 25 stones with numbers from 0 to 4 and each stone is surrounded with four glowstones. Touch these stones to let them glow. Your task is to let the given number from the stones glow.
For example if you've got a stone with a 4, every glowstone around the stone have to glow.
Difficult to explain, but fun to play, give it a try! :)

Hint: Play the first rounds with the optical help, to learn the basics of the game.