Material Files app analytics for April 20

An open source Material Design file manager. Features: - Open source: Lightweight, clean and secure. - Material Design: Follows Material Design guidelines, with attention into details. - Breadcrumbs: Navigate in the filesystem with ease. - Root support: View and manage files with root access. - Archive support: View, extract and create common compressed files. - NAS support: View and manage files on FTP, SFTP, SMB and WebDAV servers. - Themes: Customizable UI colors, plus night mode with optional true black. - Linux-aware: Knows symbolic links, file permissions and SELinux context. - Robust: Uses Linux system calls under the hood, not yet another ls parser. - Well-implemented: Built upon the right things, including Java NIO2 File API and LiveData. https://github.com/zhanghai/MaterialFiles