You can search bengali words by phonetic spelling. For example: amar, baddho, soinno, khomota...
You should not use bengali keyboard for this app.
It is offline dictionary and doesn't use internet for searching word. But, you can navigate to google search engine from any word.
If you don't find a word, just scroll up/down by touch. Still, if you don't find your word, then search similar bengali word. For example, sorpo or sap.
There are few spelling and meaning errors.