Here are three topics and questions related to the app: 1. Best way to combo puzzle pieces: Are you using the recommended finger movements to quickly rotate and place pieces in Stick Stack 3D? 2. Most efficient stack strategies: How do you prioritize piece placement to maximize your score in Stick Stack 3D's 3D puzzle levels? 3. Favorite level types: Which type of level do you enjoy playing the most in Stick Stack 3D, and why do you find it particularly challenging or rewarding?