Package name related error

hello sir i have upload already application on playstore and i use some capital keyword use in pacakage name but in this block2code i not functionlity avelable to give capital keyword give in pacakge name please help i want update my application

Give me your apk file. I will change your package name

my pakage name is com.lovely.stausapp
i want convert this com.lovely.StausApp

please give some ideas how do that in block2code

You Can do with apk editor

Why i can’t use “_” in package name