Thanks for your feedback!
We've focused on listening to your comments and we already have available the first Perfect Angle major upgrade 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.