应用程式启动时，以状态资讯更新启动显示画面。
Update the splash screen with status information as the application starts.
预先安装的应用程序会显示在应用程式启动台中，被归为一类。
Pre-installed applications are displayed in the application launcher, and are organized by category.
指定外部程式会在其中启动之工作目录的完整路径。
Specifies the full path of a working directory in which the external program will start.
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