To make your app work on an engineering device, you have to sign your APK with a Google platform key.
To do this, perform the following steps:
- Download the standard Android platform keys: platform.pk8, platform.x509.pem
- Download the signing tool - signapk.jar
- Use the following command to sign your application:
- java -jar signapk.jar platform.x509.pem platform.pk8 Application.apk Application_signed.apk