# Introduction
Please refer to
https://k2-fsa.github.io/sherpa/onnx/android/index.html
for usage.
- [SherpaOnnx](./SherpaOnnx) It uses a streaming ASR model.
- [SherpaOnnx2Pass](./SherpaOnnx2Pass) It uses a streaming ASR model
for the first pass and use a non-streaming ASR model for the second pass
- [SherpaOnnxKws](./SherpaOnnxKws) It demonstrates how to use keyword spotting
- [SherpaOnnxSpeakerIdentification](./SherpaOnnxSpeakerIdentification) It demonstrates
how to use speaker identification
- [SherpaOnnxTts](./SherpaOnnxTts) It is for standalone text-to-speech.
- [SherpaOnnxTtsEngine](./SherpaOnnxTtsEngine) It is for text-to-speech engine;
you can use it to replace the system TTS engine.
- [SherpaOnnxVad](./SherpaOnnxVad) It demonstrates how to use a VAD
- [SherpaOnnxVadAsr](./SherpaOnnxVadAsr) It uses a VAD with a non-streaming
ASR model.
- [SherpaOnnxWebSocket](./SherpaOnnxWebSocket) It shows how to write a websocket
client for the Python streaming websocket server.
- [SherpaOnnxAudioTagging](./SherpaOnnxAudioTagging) It shows how to use audio tagging.
- [SherpaOnnxAudioTaggingWearOS](./SherpaOnnxAudioTagging) It shows how to use audio tagging on WearOS.