Thanks for your feedback!
We've focused on listening to your comments and we already have available the first major upgrade of the game where we've fixed the discussed issues.

New features:

• One extra free hint every 5 minutes available if you need help.
  
• Now you can skip the entire story and focus with the puzzles if you wish.
  
• New customization options in the options menu.
  
• Some puzzles have been improved to make them more fun.
  
• Improved the support to external controllers.
  

Bug fixes:

• Fixed the 'irritating' help system. Thanks for your feedback!
  
• Bug fixes in some translations.
  
• Other minor bug fixes.