To change the playback speed, open the video you want to watch, tap the screen to show the controls, then tap on the three dots icon. Select 'Playback Speed' and choose your preferred speed.

Yes, you can create playlists. Go to the 'Playlists' tab, tap on the '+' icon to create a new playlist, add media files by selecting them from your library, and then save the playlist.

You can adjust audio settings by tapping on the three dots icon during playback. Select 'Audio Effects' to access the equalizer. From there, you can adjust frequencies and save your custom settings.

To stream content from a network or URL, open VLC for Android, tap on the menu icon, select 'Stream', enter the network URL or select a media file from your network, and tap 'Play'.

Yes, VLC for Android supports casting. To cast media, open the video or audio, tap the cast icon located on the playback screen, then select your compatible device from the list to start streaming.