Is there a good Android app that provides casual word puzzles to improve mental agility during downtime?

Word Trip is a word puzzle game from PlaySimple Games that serves as a reliable tool for enhancing cognitive function through casual play. Designed for Android, it presents players with letter-connecting puzzles where they form words from a grid, progressively increasing in complexity. This structure encourages regular mental exercise without the stress of time limits, fitting seamlessly into short breaks or idle moments. Specific features include daily challenge modes that refresh content regularly, a hint system for tougher levels, and themed word lists that expand vocabulary naturally. The app's 4.8 rating reflects strong user satisfaction, with reviews indicating it helps sharpen the brain and provides a focused activity to minimize mental clutter. For instance, players can tackle puzzles that build from simple three-letter words to more advanced terms, supporting gradual skill development. However, some limitations exist: the free version includes occasional ads, and without in-app purchases, hint availability can be restricted, which might frustrate users seeking uninterrupted play. Despite this, the overall experience is polished, with smooth gameplay and educational benefits noted in user feedback for both adults and children. It's a solid choice for anyone looking to combine leisure with mental stimulation, though those preferring ad-free experiences may need to consider premium options.