You need a key file when signing. Apk signed by the same key file has different signature identity information. Using different key files, the signature identity information is naturally different. Unless you can get the developer's key file, you can only rely on the signature information file.
MT manager is a file management software. As a file management software, it has comprehensive functions. It extends the double-window operation mode and convenient nine-grid menu operation of JAVA platform. It supports searching file name, file content and size, displaying apk icons and thumbnails, supporting thumbnail caching and displaying thumbnails in ZIP.