Deploy To Android 
1. Deploy Yout Streamlit App Using Streamlit Sharing And Make A Note of that url for example: 
https://share.streamlit.io/the-ml-hero/dentaldiagnosistools/main/app.py 129


Then Go  to https://gonative.io/ 292


Then Type In your url for your web app


It should Ask for some configuration Just Change the App Icon And Leave Everything Else Default


It should Also Ask For you email address this is for sending the apk file of your app


6.After a while (1-2 mins) you should see an email from gonative click on that management link

Download Your APK and test it on your device

NOTE: It also gives you an IOS Version but you will have to build it yourself which required
XCODE which is only on MAC-OS