Based on the user reviews of the app "Fits Block Puzzle King", here are three pros and three cons: **Pros:** 1. "Challenging levels keep me engaged and addicted to the game's addictive puzzle-solving experience." 2. "Easy to play, but hard to master, making it perfect for both casual and hardcore puzzle fans." 3. "Beautiful graphics and soothing music create a relaxing atmosphere while solving puzzles." **Cons:** 1. "Occasional glitches and crashes force me to restart the game, which is frustrating." 2. "Limited customization options and no ability to restart a level once it's been completed." 3. "Some puzzles are too easy or too hard, disrupting the game's balance and replay value." Please note that these points are based on the aggregated user reviews and may not represent the opinions of all users.