You can download this PDF copy of the dictionary for use when you don't have Internet access.
The file has two sections:
Pages 1-71: Nchane words with English glosses
Pages 72-132: English index to Nchane words
Download: 2022 DRAFT Nchane Bilingual Lexicon for Webonary.pdf
Dictionary App
Below is the Mungong dictionary app on Google Play store: