Based on the users' reviews, here are three cons and pros of the Slendrina's Lost Souls app: **Cons:** 1. "Crashes frequently, ruining the experience and forcing me to restart." 2. "Too many ads, making it hard to focus on the game." 3. "Some puzzles are too difficult, leading to frustration and abandonment." **Pros:** 1. "Atmosphere and sound design are incredibly immersive and creepy." 2. "Puzzles are cleverly designed, keeping me engaged and challenged." 3. "The story is intriguing, making me want to keep playing to uncover secrets."