Based on the user reviews of the app "Brain Training" on the Google Play Store, here are three cons and pros with 15 words limited for each item: **Cons:** 1. Some users complained of poor customer support and difficulty in getting help when needed. 2. A few users experienced bugs and glitches that affected their training sessions' progress. 3. A limited number of users felt that the app's content was not challenging enough or repetitive. **Pros:** 1. Many users praised the app's engaging and interactive exercises that helped improve their cognitive skills. 2. Several users reported significant improvements in their memory, attention, and problem-solving abilities after using the app. 3. Users appreciated the app's user-friendly interface and the ability to track progress and set goals. Please note that the reviews were subject to change and may not reflect the entire user experience.