Here are the cons and pros based on user reviews of the Mahjong app: **Cons:** 1. "Sometimes app crashes or freezes, losing game progress and frustrating experience." 2. "Lawrence says ad Pop-ups are extremely annoying and disrupt gameplay experience." 3. "Limited game modes and levels, gets repetitive and lacks variety quickly." **Pros:** 1. "Smart interface and clean design make for easy gameplay and intuitive swiping controls." 2. "Social features allow for online multiplayer and progressing through leaderboards challenging." 3. "Free version has some limitations, but still offers plenty of content and enjoyable experience." Please note that these are summarized from a limited sample of user reviews and may not represent the overall sentiment of all users.