您可以查看并提取出安装在您手机中的应用的APK文件，当您删除了应用的安装包，您可以通过此软件将它提取出来并使用
此软件免费、纯净，没有广告等与功能无关的内容，软件作者因工作原因时间有限，如果您在使用过程中发现问题，欢迎邮件联系作者，作者会在力所能及的情况下修复问题并更新软件

You can view and extract the APK file to install the application on your phone when you delete an application installation package you can use this software to extract it out and use
This software is free clean no content and functionality unrelated to advertising software authors due to work for a limited time if you find problems in the course welcome email contact the author the author would fix the problem in whatever circumstances and update software