Based on the user reviews, here are three pros and cons of the Tangram Block Triangle app: **Pros:** 1. "Engaging and challenging puzzles keep me entertained for hours, great mental exercise." 2. "Stunning visuals and smooth animations make the app a joy to use." 3. "Huge variety of levels and themes keeps the game fresh and exciting, love it!" **Cons:** 1. "Sometimes the blocks don't move when you intend them to, frustrating experience." 2. "Limited daily rewards and bonus features make the game feel a bit stingy." 3. "Some levels are ridiculously hard, feels like a brick wall, need more help."