The original app is available here https://github.com/djshaji/amp-rack

Huge thanks to @djshaji for all the work he've done!

Amp Rack is a Guitar / Voice Audio Effects Processor for Android. Amp Rack is an Open Source LADSPA Plugins Host for Android. More than 150 high quality audio plugins are available which can be added in any order to the audio effect chain to create distinct high quality tones for your guitar!

This is the biggest update of Amp Rack till date, and contains tons of new features and under the hood bug fixes.

1. All new Backing Track player. Simply record some chords and use it on loop as a backing track! You can change BPM and Volume of the backing track. Perfect to practice solos or master scales
2. All new Drum Machine. Transform yourself into a one man band, or just practice rocking out. Choose from a variety of exciting tracks. Change BPM according to your genre and preference.
3. Improved Presets Loading
4. Improved recorded audio sharing support
5. Beautiful new material design 3 themes

• High Quality Audio Plugins such as different Distortion, Overdrive, Cabinet Emulation, Delay, Echo, Reverb, Compressors, Limiters, Sustain, Vocoders, Tube Emulators, and even Autotune (and many more!

• Easy to use UI with customizable background!

• One click operation: add a new effect to the chain, or use presets created by professional guitarists for beautiful instant ready made tones for your tracks!

• Add Unlimited effects in any order to the effect chain

• Customize effect parameters as per your sound preference

• Save presets and share with the world!

• Supports Mic / Mic in jack / USB Interfaces. No need for expensive accessories. Just buy any generic 1/4" TRS to 3.5mm adapter for less than and rock on!

• High performance Low Latency Native Audio Processing: No latency on even the most basic devices

• All new Backing Track player. Simply record some chords and use it on loop as a backing track! You can change BPM and Volume of the backing track. Perfect to practice solos or master scales

• All new Drum Machine. Transform yourself into a one man band, or just practice rocking out. Choose from a variety of exciting tracks. Change BPM according to your genre and preference.

• High performance realtime low latency code

• High quality floating point precision audio processing

• Completely Open Source App: Download the code from https://amprack.acoustixaudio.org