How to update apk on Google Play without Android studio

General Discussion
1

I already build an apps using MIT APp Inventor and publish it on Google Play
i do not have android studio software & Android App Bundle
i choose google to handle my signature key
when i want to update new apk, they ask different version dan sertificate launch key
is there any way to update my apk in google play without generate launch key on android studio? what is the function of android key that we got from MIT App inventor?
regards

Yohan

2

Are you updating the app with a new apk from another appinventor project than your original? This is not allowed and you will need another signature. Also, what do you mean by