On first installation it'll download the dictionary in your phone. You must turn on data connection on your handheld (i.e: wifi or mobile internet connection). Restart the application every time you update your offline Dictionary.
Our team is currently working on the Mining Terms so keep calm and check for the update of Dictionary everyday.
A) Offline Dictionary
B) Suggest for particular word if you have any or want it to be in Dictionary
Offline Mining Dictionary is a free, ad-supported application. For the ad-free version, wait for offline Mining Dictionary Pro (coming soon...).