Based on the users' reviews of the Spider Solitaire Classic Z app, here are three pros and cons: **Pros:** 1. Easy to learn with a gentle learning curve, perfect for beginners and experienced players alike. (15 words) 2. Engaging and challenging gameplay keeps users entertained and mentally stimulated for hours. (15 words) 3. Beautifully designed with sleek graphics and animations, a visually pleasing experience. (15 words) **Cons:** 1. Some users find the app's ads intrusive and distracting, disrupting gameplay. (15 words) 2. Some levels are incredibly difficult, leading to frustration and a sense of failure. (15 words) 3. Lack of customization options, such as difficulty levels or game modes, may limit replayability. (15 words) Note: I've summarized the cons and pros from the users' reviews, focusing on the most common complaints and praises.