KLILAX Player

Lose yourself in sound.

An offline Android music player with a cyberpunk soul and real spatial audio effects. Play the music already on your phone, then bend it into 8D, slowed, nightcore or reverb drenched versions on the fly.

Download the APK · Android 7.0 and up

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What it is

KLILAX started from a simple idea. Gen Z loves 8D, slowed and reverb edits, but you usually have to go find those versions online. What if any track in your library could become that version instantly, with a player that actually looks the part.

So this is a normal music player first. It reads the audio on your device, plays in the background, shows up in your notification and lock screen, remembers your queue, handles your headset and Bluetooth. Then it adds the fun part. A spatial 8D engine, studio grade slowed and nightcore, reverb rooms, an equalizer, moods, and saveable effect combos.

Everything runs offline. Nothing is streamed, nothing is uploaded, no account needed.

Screenshots

   

Features

The player

• Background playback with a full media notification and lock screen controls
• Headset and Bluetooth buttons, pause when you unplug
• Full screen Now Playing, mini player, seek bar, album art
• Shuffle and repeat that stay set until you change them
• Search, favorites, recently played
• Sleep timer, set any track as your ringtone

The effects

• 8D audio with a real sample accurate panner and a slow, medium or fast rotation. Best on headphones. There is a little visualizer that shows where the sound is orbiting your head.
• Slowed and Nightcore through the ExoPlayer engine, smooth and clean
• Reverb rooms: Plate, Hall, Room, Cave
• Equalizer with Flat, Bass, Vocal and Treble presets, plus a bass boost slider
• Auto mode that reads a track name like "( slowed down )" or "nightcore" and applies the matching effect for you

Moods Pick a mood and KLILAX sets the effects and shuffles the tracks in your library that fit it. Chill, Sad, Hype, Dreamy, Love, Night Drive, Workout and Focus. Matching uses distinctive keywords and the BPM tag many files carry, so it stays sensible instead of random. A mood keeps playing until you switch it or go back to Default.

Vibe recipes Dialed in a combo you love. Save it with a name like "Cosmos" and bring it back with one tap.

Feel Neon red on near black cyberpunk theme, custom drawn geometric icons, haptics on every control.

Download and install

Grab the APK from the Releases page and open it on your phone.

Since it is not from the Play Store, Play Protect will ask you to confirm the first install. That warning is normal for any app installed outside the store. Tap "More details" then "Install anyway". The APK is signed with a real release key, so updates install cleanly on top.

Build from source

You need the Android SDK (compileSdk 35, build tools 35.0.0) and a JDK 17 or newer.

git clone https://github.com/archnexus707/KLILAX.git
cd KLILAX
./gradlew assembleRelease

Signing is read from a keystore.properties file at the project root, which is not committed. Without it the build still works and produces an unsigned release APK. To sign your own build, create keystore.properties:

storeFile=your-keystore.keystore
storePassword=yourStorePassword
keyAlias=yourAlias
keyPassword=yourKeyPassword

Built with

Kotlin, Jetpack Compose, Media3 (ExoPlayer and MediaSession), a custom AudioProcessor for the 8D panning, the Android audio effects framework for reverb, equalizer and bass boost, and Coil for album art.

Roadmap

Playlists, a shareable Now Playing card, gyroscope steered 8D, glitch transitions and a waveform seek bar are next.

License

Released under the MIT License. See LICENSE.

Author

Built by archnexus707 (Dickson Godwin Massawe), Tanzania.

If KLILAX makes your music hit different, star the repo.