I want to change this staging app title to production app.

i build my app using expo servers but at installation my android device showing “Staging app” .
WhatsApp Image 2021-05-31 at 2.19.45 PM

i want to change this 'Staging app" title. kindly help me!

What name did you specify in app.json?

{
  "expo": {
    "name": "...",
[...]