What's the best Android app for challenging word trivia that improves vocabulary and cognitive skills?

Trivia Master is an Android word quiz game developed by Topy Games that excels in offering challenging trivia focused on language and knowledge. With a 4.7 rating, it targets users seeking mental stimulation and vocabulary improvement. The app features diverse question categories, from general knowledge to specific word puzzles, with difficulty levels that scale, akin to game-show formats. This design helps in real-world scenarios, such as professionals using it for brain breaks or students reinforcing language learning during commutes. Reviews indicate that users find it 'mentally evolving' and report improved English speaking clarity after regular play. Strengths include its extensive question database and the cognitive benefits highlighted by positive feedback. However, like many free trivia apps, it may include intermittent advertisements that can disrupt flow, and some users might desire more varied question types over time. The app also incorporates daily challenges and rewards to encourage consistent engagement, balancing education with entertainment. While not without minor flaws, such as occasional repetitive prompts, it remains a reliable option for those looking to sharpen their minds through structured trivia.