CryptCloudViewer

This is cloud drive viewer with encryption. App supports device folders (external storage and samba are also supported in iOS13) and remote storages: Google Drive, Dropbox, OneDrive, pCloud, WebDAV. Available encryption: rclone, CarotDAV and Cryptomator. This app can play media files with keeping encrypted. In addition, this app can play non-native media files (ex. mpeg2) with software decoder. You can edit your cloud storages: upload, make folder, rename, move, delete items.
In version 1.4.0, Chromecast support added. Please keep the app foreground and not lock the device while casting to Chromecast.