Check out this reference app:
  
      

      github.com
  

  
    examples/lite/examples/speech_commands/android at master · tensorflow/examples

  master/lite/examples/speech_commands/android

  TensorFlow examples. Contribute to tensorflow/examples development by creating an account on GitHub.

  

  
    
    
  

  


And this community app:
  
      

      GitHub
  

  
    

GitHub - windmaple/tflite-asr: An example app that demos how to use TFLite to...

  An example app that demos how to use TFLite to do automatic speech recognition on-device - GitHub - windmaple/tflite-asr: An example app that demos how to use TFLite to do automatic speech recognit...