Please help me with this code problem!


Please help me with this.
Actually i have Developed a Web app using a website that allows us to make apps with no or less Coding so now i am facing issue of attaching a backend to my web app.

Also, this app is live on Google Play Store named as HealFit by DFC.

My 2nd Question related to this is-
If I develop a totally new app now by using Android studio which will be fully coded by me and then I try to upload this newly created apk file to my app’s earlier google play store listing will it be approved as an updated apk…or it would be disapproved due to any reason?
Please let me know about it.
A detailed solution would be really appreciated.