Developer's DescriptionBy Hai BisonThis app helps you: Sign apk/jar/zip files on your cell phones or tablets.This app helps you:- Sign apk/jar/zip files on your cell phones or tablets.- Verify apk/jar/zip files to see if they are signed/modified.- Manage keystores (import/export).Pro features:- Making your own keystore files.- Themes.Notes- The app is not available in some countries. We are sorry for the inconvenience.