I complete the game but no one pop up

So, I've played the main level and bought the bonus level, but for some reason it won't load the bonus level--just redirects me to the shop page. Anyone know how to get past this?

finally gain 100 achievement

During my play though the ability to change the color of the cats was not working. I tried clicking on them, looking for a color option menu and could find nothing. Can you explain how to change the colors or is not working at the moment? Also I encountered the hint button not working in the bonus level. And I have to put in my review a huge problem I encountered and that is the inability to save your progress. I backed out of the bonus level to see if it would fix the hint button that got stuck when I ...

On the DLC search, I wasn't finding one of the cats, so I decided to use a hint. When I pressed the ⍰ (question mark button), it didn't show where the cat was. Also, the button got darker as if the countdown to use it again had started but, it didn't start to get lighter again. It simply stayed dark as if it froze, unable to use it again. I restarted the level and tried it again, and this second time the hint button worked. However, you should check this out, since the button seems not to work every ti...