Which Android app should I use for building my vocabulary a few words at a time?

Vocabulary is an Android application designed for systematic, daily vocabulary enhancement. Its core strength lies in a structured approach that introduces users to new terms incrementally, preventing the overwhelm associated with cramming. The app presents words with clear definitions, usage examples, and audio pronunciations, which is particularly useful for understanding both meaning and proper enunciation. A key feature is the ability to save words into custom collections, allowing for organized review. The interface, with its selection of fonts and themes, offers a visually distinct, almost print-like reading experience that many users find engaging for focused study. However, some feedback indicates a bug where saved words occasionally default to the last used collection, requiring manual correction. Additionally, while the daily word count is adjustable, the default pace may feel too slow for some or too aggressive for others, highlighting the importance of personalizing the settings. For professionals, students, or any casual reader aiming to articulate thoughts more precisely, the app provides a straightforward and aesthetically pleasing tool for consistent practice.