Standard polite greeting across Thessaloniki shops & checkpoints
Tip: Press Start 30-Min Audio Loop, lock your phone or put it in your pocket, and use AirPods / Pixel Buds double-tap to skip or pause.
Mission Sector
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⚙️ iPhone / Android & Gemini 2.5 TTS Setup
Configure your Gemini API Key to enable ultra-natural Gemini 2.5 Flash TTS Greek voice synthesis. When blank, the trainer automatically falls back to native device TTS.
📱 Mobile PWA Onboarding Checklist
iPhone (iOS Safari): Tap Share ➔ Add to Home Screen ➔ Launch Greek Prep ➔ Tap ⚙️ iPhone / API Setup ➔ Save Gemini API Key.
Android (Chrome): Tap ⋮ Menu ➔ Install app ➔ Launch Greek Prep ➔ Tap ⚙️ iPhone / API Setup ➔ Save Gemini API Key.
30-Min Locked-Screen Audio: Uses MediaSession API + Screen Wake Lock + continuous PCM carrier stream for uninterrupted AirPods & Pixel/Galaxy Buds playback.