AndPlug plays music, originally created for the AdLib (OPL2) audio board, using the AdPlug sound player library. Includes FTP client for downloading songs and support for M3U playlists.

The following formats are currently supported:
- A2M: Adlib Tracker 2
- ADL: Westwood ADL
- ADLIB: Apogee IMF
- AGD: Herbulot AdLib System
- AMD: AMUSIC
- BAM: Bob's Adlib Music
- BMF: BMF Adlib Tracker
- CFF: Boomtracker
- CMF: Creative Music File / SoundFX Macs Opera CMF
- D00: Packed EdLib
- DFM: Digital-FM
- DMO: TwinTeam
- DRO: DOSBox Raw OPL v0.1 / DOSBox Raw OPL v2.0
- DTM: DeFy Adlib Tracker
- GOT: God of Thunder Music
- HA2: Herbulot AdLib System
- HSC: HSC-Tracker
- HSP: HSC Packed
- HSQ: Herbulot AdLib System
- IMF: Apogee IMF
- IMS: AdLib MIDI/IMS Format
- JBM: JBM Adlib Music
- KSM: Ken Silverman Music
- LAA: MIDI
- LDS: LOUDNESS Sound System
- M: Ultima 6 Music
- MAD: Mlat Adlib Tracker
- MDI: AdLib MIDIPlay File
- MID: MIDI
- MKJ: MKJamz
- MSC: Adlib MSC Player
- MTK: MPU-401 Trakker
- MUS: AdLib MIDI/IMS Format
- RAC: Raw AdLib Capture
- RAD: Reality Adlib Tracker
- RAW: Raw AdLib Capture
- RIX: Softstar RIX OPL Music
- ROL: Adlib Visual Composer
- S3M: Scream Tracker 3
- SA2: Surprise! Adlib Tracker
- SAT: Surprise! Adlib Tracker
- SCI: MIDI
- SDB: Herbulot AdLib System
- SNG: Faust Music Creator / SNGPlay / Adlib Tracker
- SOP: Note Sequencer by sopepos
- SQX: Herbulot AdLib System
- VGM: Video Game Music
- VGZ: Video Game Music
- WLF: Apogee IMF
- XAD: Flash / Hybrid / Hypnosis / PSI / rat / BMF Adlib Tracker
- XSM: eXtra Simple Music

To directly access the folder where the music files are stored, select an External folder. Typically either of those will map to path 'Android/data/com.omicronapplications.andplug/files' on the SD card.