Shows which "market" app installed your app. Who installed me ? is offered by Marcos Diez. Last Updated: October 31, 2011. Current Version: 1.0
The code that is printed in this application is:
String myInstaller = this.getPackageManager().getInstallerPackageName(this.getPackageName());
Don’t even bother downloading it if you are not a programmer. Else, try to download the APK yourself and install it thought adb to check the different result.
Who installed me ? 2017
Who installed me ? 1.0 screenshot
Detail information and download apk file for android: https://goo.gl/N5Mk3U