A free app for Android, by Thad Hughes.
Once you installed this dictionary app, you may now have easy access to bilingual references with meanings for English and Hindi words. Each day, the app will provide a Word of the Day to make you familiarize with various words and its meaning. It has some of the features that a dictionary has such as synonyms, antonyms, and more.
You can use this tool whenever and wherever you are as this can still be accessed even if you are offline. You may save the words that interest you so you can revisit them.
This has a clean and smooth interface for easier navigation.