See for yourself:
https://play.google.com/store/apps/details?id=com.droidpower.game.bubble.brick
The shading and highlights are exactly the same, it is the codeblocks logo.
Not sure if there much that can be done about it though...
Is the source code for this app freely available? If not, it's a violation of the GPL.
Looks like the website for the developer is gone, so I'm guessing no source code...