This is a fan pack! You can support the creator with it.

Inside is:

• a 10+ page art booklet full of new illustrations and coloured concept art, with some commentary about the game's development
  
• 3 high resolution wallpapers for mobile and desktop

Access:

You'll find the fan pack in the game's directory folder. Right click on Grimm's Hollow in your Library tab, select Properties and click Browse Local Files. The fan pack will be in the folder called Pocket Goodies.