The console writes this error when exporting
Warning:
The signer's certificate is self-signed.
running cmdline: "C:/Program Files/Java/jdk-12.0.1/bin/jarsigner.exe" "-verify" "-keystore" "D:/keys android/release.keystore.jks" "C:\Users\Maksym\AppData\Local\Temp/Godot/tmpexport-unaligned.apk" "-verbose"
and the apk file does not work when launched on the phone