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!

Apply Audio Compressor, Limiter, Equalizer, Surround Sound Virtualizer to Audio. The new audio dynamics API is used, and is available on Marshmallow and later. AFAIK this is the only app that uses this API as a system wide effects manager (!)

Ladies and Gentlemen, it's Winamp, for Android!
[Disclaimer: This is not WInamp. All trademarks are copyright by their respective owners.]

This is a Winamp 2.x clone for Android, written from scratch in Java with a reusable skin engine.