Packaged apk file can not open

#1

I build my app following the instruction here:
https://docs.expo.io/versions/latest/guides/building-standalone-apps.html
everything goes fine until after i installed the apk file into my android phone.here is the error

here is my app.json 5D36F00B-F932-4F21-B2BD-F9676C685321

and this is the package.json

;

and i am quite sure that i am running the right packager server while packaging. does anybody konw whats going on
here?thank you!