No voice/speech output on an AppliePie box with Android9

🚧 THIS IS A TICKET MIGRATED FROM UPVOTY. The original ticket and comments will be available for a limited time over at:
https://abrp.upvoty.com/b/report-a-bug/no-voice-speech-output/
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When I start ABRP (on an AppliePie box with Android9), it opens Google Speech services in Google Play, which are installed already. There's no speech output in ABRP.