submitting new source code to old app in google playstore

Job ID: 37152498

Budget: $10 – $30 USD

*need to do through anydesk due to security reason*

we have old android games app in our google play store developer console which is recently disabled by google due to policy

we dont have source code of old app but we have keystore file of old app

so we want to push new code developed by us to playstore in the old app and submit the polices to get app published

required:
1.need to push new code into old app from our developer account
2.update policy we can provide what data we are using
3.have to take care till app gets approved from google playstore
4.change existing app name