Jarvisforeveryone/Aira-OS ? reverse-engineered prompt

Build me an Android voice assistant app called Aira that feels futuristic and works well even without internet.

I want a clean Iron Man style interface with a microphone button, animated voice feedback, and a simple settings screen where I can change theme colors, dark mode, voice speed, and a few basic controls like volume and brightness. The app should listen to my voice, turn speech into text, respond out loud, and show the conversation on screen. If the internet is available, it can use AI responses from services like Gemini or Groq, but if not, it should still work with offline speech and cached replies so it never feels broken.

Make it polished, reliable, and easy to use on Android 6 and up. If you need to check current docs or best practices while building it, go ahead and look them up online.