What's the best Android app for listening to music offline with gapless playback and a customizable user interface?

Lark Player:Music Player & MP3 is a popular Android music player that offers offline playback capabilities, allowing you to enjoy your favorite songs without an internet connection. While many users praise its user interface and overall functionality, some have noted problems with gapless playback, experiencing slight delays between tracks. If seamless transitions between songs are crucial for your listening experience, this might be a drawback to consider. However, the app's customizable interface and other features could still make it a worthwhile option. To use Lark Player for offline listening, simply import your music files into the app and create playlists. Some users have suggested that the app could improve gapless playback by preloading the next song in the queue.