Android Question vosk offline speech recognization

hello there , i have an question, can we use the big data for model.zip? or how can we add new data to this database?
and another question, how can I use STT.prepareMicrophone("") in the activity create ? with out using button

this is the vosk sample :https://www.b4x.com/android/forum/t...e-voice-recognition.134857/page-2#post-856773